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40480080040 = 2352389494383
BaseRepresentation
bin100101101100110011…
…010000000010101000
310212111010102010111201
4211230303100002220
51130400400030130
630332444333544
72632064001031
oct455463200250
9125433363451
1040480080040
1116192a4a304
127a188442b4
133a816817aa
141d60259a88
1510bdc17bca
hex96ccd00a8

40480080040 has 64 divisors (see below), whose sum is σ = 96108249600. Its totient is φ = 15313976832.

The previous prime is 40480080037. The next prime is 40480080049. The reversal of 40480080040 is 4008008404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40480079990 and 40480080008.

It is not an unprimeable number, because it can be changed into a prime (40480080049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165312 + ... + 329071.

It is an arithmetic number, because the mean of its divisors is an integer number (1501691400).

Almost surely, 240480080040 is an apocalyptic number.

40480080040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40480080040 is an abundant number, since it is smaller than the sum of its proper divisors (55628169560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40480080040 is a wasteful number, since it uses less digits than its factorization.

40480080040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494506 (or 494502 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 40480080040 its reverse (4008008404), we get a palindrome (44488088444).

The spelling of 40480080040 in words is "forty billion, four hundred eighty million, eighty thousand, forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 89 92 115 178 184 230 356 445 460 712 890 920 1780 2047 3560 4094 8188 10235 16376 20470 40940 81880 494383 988766 1977532 2471915 3955064 4943830 9887660 11370809 19775320 22741618 44000087 45483236 56854045 88000174 90966472 113708090 176000348 220000435 227416180 352000696 440000870 454832360 880001740 1012002001 1760003480 2024004002 4048008004 5060010005 8096016008 10120020010 20240040020 40480080040