40487871992 has 16 divisors (see below), whose sum is σ = 76042787040. Its totient is φ = 20209795456.

The previous prime is 40487871971. The next prime is 40487872037. The reversal of 40487871992 is 29917878404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4262528 + ... + 4272015.

It is an arithmetic number, because the mean of its divisors is an integer number (4752674190).

Almost surely, 2^40487871992 is an apocalyptic number.

It is an amenable number.

40487871992 is a deficient number, since it is larger than the sum of its proper divisors (35554915048).

40487871992 is a wasteful number, since it uses less digits than its factorization.

40487871992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8535142 (or 8535138 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 40487871992 in words is "forty billion, four hundred eighty-seven million, eight hundred seventy-one thousand, nine hundred ninety-two".