40365661572764 has 48 divisors (see below), whose sum is σ = 77390053171200. Its totient is φ = 18269864558400.

The previous prime is 40365661572757. The next prime is 40365661572773. The reversal of 40365661572764 is 46727516656304.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40365661572697 and 40365661572706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144550154 + ... + 144829134.

It is an arithmetic number, because the mean of its divisors is an integer number (1612292774400).

Almost surely, 2^{40365661572764} is an apocalyptic number.

40365661572764 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40365661572764 is a deficient number, since it is larger than the sum of its proper divisors (37024391598436).

40365661572764 is a wasteful number, since it uses less digits than its factorization.

40365661572764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292994 (or 292992 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 62.

The spelling of 40365661572764 in words is "forty trillion, three hundred sixty-five billion, six hundred sixty-one million, five hundred seventy-two thousand, seven hundred sixty-four".