40105777332788 has 48 divisors (see below), whose sum is σ = 70973694033984. Its totient is φ = 19828457725440.

The previous prime is 40105777332679. The next prime is 40105777332811. The reversal of 40105777332788 is 88723377750104.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40105777332788.

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, 471451778 + ... + 471536838.

It is an arithmetic number, because the mean of its divisors is an integer number (1478618625708).

Almost surely, 2^{40105777332788} is an apocalyptic number.

It is an amenable number.

40105777332788 is a deficient number, since it is larger than the sum of its proper divisors (30867916701196).

40105777332788 is a wasteful number, since it uses less digits than its factorization.

40105777332788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87632 (or 87630 counting only the distinct ones).

The product of its (nonzero) digits is 55319040, while the sum is 62.

The spelling of 40105777332788 in words is "forty trillion, one hundred five billion, seven hundred seventy-seven million, three hundred thirty-two thousand, seven hundred eighty-eight".