40165400970 has 48 divisors (see below), whose sum is σ = 104801745672. Its totient is φ = 10672650240.

The previous prime is 40165400959. The next prime is 40165400993. The reversal of 40165400970 is 7900456104.

40165400970 is a `hidden beast` number, since 4 + 0 + 165 + 400 + 97 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 31893316569 + 8272084401 = 178587^2 + 90951^2 .

It is a super-2 number, since 2×40165400970² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 768807 + ... + 819386.

Almost surely, 2^40165400970 is an apocalyptic number.

40165400970 is an abundant number, since it is smaller than the sum of its proper divisors (64636344702).

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

40165400970 is a wasteful number, since it uses less digits than its factorization.

40165400970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588487 (or 1588484 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 40165400970 in words is "forty billion, one hundred sixty-five million, four hundred thousand, nine hundred seventy".