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40706880 = 263542403
BaseRepresentation
bin1001101101001…
…0001101000000
32211121010100020
42123102031000
540410110010
64012253440
71003000644
oct233221500
984533306
1040706880
1120a83755
1211771280
138583516
145598c24
153891470
hex26d2340

40706880 has 56 divisors (see below), whose sum is σ = 129247392. Its totient is φ = 10854912.

The previous prime is 40706879. The next prime is 40706881. The reversal of 40706880 is 8860704.

It is an interprime number because it is at equal distance from previous prime (40706879) and next prime (40706881).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40706881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20242 + ... + 22161.

Almost surely, 240706880 is an apocalyptic number.

40706880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40706880 is an abundant number, since it is smaller than the sum of its proper divisors (88540512).

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

40706880 is a wasteful number, since it uses less digits than its factorization.

40706880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42423 (or 42413 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 40706880 is about 6380.1943544065. The cubic root of 40706880 is about 343.9980169347.

The spelling of 40706880 in words is "forty million, seven hundred six thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 42403 84806 127209 169612 212015 254418 339224 424030 508836 636045 678448 848060 1017672 1272090 1356896 1696120 2035344 2544180 2713792 3392240 4070688 5088360 6784480 8141376 10176720 13568960 20353440 40706880