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40170479080 = 2351004261977
BaseRepresentation
bin100101011010010110…
…001101110111101000
310211200112211202211111
4211122112031313220
51124232120312310
630242024440104
72621314303234
oct453226156750
9124615752744
1040170479080
1116044208546
127951019034
133a324a1964
141d310a75c4
1510a195e28a
hex95a58dde8

40170479080 has 16 divisors (see below), whose sum is σ = 90383578020. Its totient is φ = 16068191616.

The previous prime is 40170479039. The next prime is 40170479081. The reversal of 40170479080 is 8097407104.

It can be written as a sum of positive squares in 2 ways, for example, as 39092407524 + 1078071556 = 197718^2 + 32834^2 .

It is a super-2 number, since 2×401704790802 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1004261977 = 40170479080 / (4 + 0 + 1 + 7 + 0 + 4 + 7 + 9 + 0 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (40170479081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502130949 + ... + 502131028.

Almost surely, 240170479080 is an apocalyptic number.

40170479080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40170479080 is an abundant number, since it is smaller than the sum of its proper divisors (50213098940).

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

40170479080 is a wasteful number, since it uses less digits than its factorization.

40170479080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004261988 (or 1004261984 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 40170479080 in words is "forty billion, one hundred seventy million, four hundred seventy-nine thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 1004261977 2008523954 4017047908 5021309885 8034095816 10042619770 20085239540 40170479080