40138496762 has 24 divisors (see below), whose sum is σ = 74508997536. Its totient is φ = 15878964816.

The previous prime is 40138496753. The next prime is 40138496791. The reversal of 40138496762 is 26769483104.

It is a super-2 number, since 2×40138496762² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40138496762.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8479988 + ... + 8484719.

It is an arithmetic number, because the mean of its divisors is an integer number (3104541564).

Almost surely, 2^40138496762 is an apocalyptic number.

40138496762 is a deficient number, since it is larger than the sum of its proper divisors (34370500774).

40138496762 is a wasteful number, since it uses less digits than its factorization.

40138496762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16964742 (or 16964729 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 40138496762 in words is "forty billion, one hundred thirty-eight million, four hundred ninety-six thousand, seven hundred sixty-two".