40393724608 has 28 divisors (see below), whose sum is σ = 83641356720. Its totient is φ = 19318737152.

The previous prime is 40393724597. The next prime is 40393724617. The reversal of 40393724608 is 80642739304.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13719223 + ... + 13722166.

Almost surely, 2^40393724608 is an apocalyptic number.

It is an amenable number.

40393724608 is an abundant number, since it is smaller than the sum of its proper divisors (43247632112).

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

40393724608 is a wasteful number, since it uses less digits than its factorization.

40393724608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27441424 (or 27441414 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 40393724608 in words is "forty billion, three hundred ninety-three million, seven hundred twenty-four thousand, six hundred eight".