40264165040 has 40 divisors (see below), whose sum is σ = 102124566288. Its totient is φ = 14641514240.

The previous prime is 40264164991. The next prime is 40264165043. The reversal of 40264165040 is 4056146204.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 40264164988 and 40264165006.

It is not an unprimeable number, because it can be changed into a prime (40264165043) 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, 22876487 + ... + 22878246.

Almost surely, 2^40264165040 is an apocalyptic number.

40264165040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40264165040 is an abundant number, since it is smaller than the sum of its proper divisors (61860401248).

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

40264165040 is a wasteful number, since it uses less digits than its factorization.

40264165040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45754757 (or 45754751 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 40264165040 in words is "forty billion, two hundred sixty-four million, one hundred sixty-five thousand, forty".