40987680940 has 24 divisors (see below), whose sum is σ = 86208437952. Its totient is φ = 16369489920.

The previous prime is 40987680931. The next prime is 40987680941. The reversal of 40987680940 is 4908678904.

It is not an unprimeable number, because it can be changed into a prime (40987680941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1585764 + ... + 1611403.

It is an arithmetic number, because the mean of its divisors is an integer number (3592018248).

Almost surely, 2^40987680940 is an apocalyptic number.

It is an amenable number.

40987680940 is an abundant number, since it is smaller than the sum of its proper divisors (45220757012).

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

40987680940 is a wasteful number, since it uses less digits than its factorization.

40987680940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197817 (or 3197815 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 40987680940 in words is "forty billion, nine hundred eighty-seven million, six hundred eighty thousand, nine hundred forty".