40987926028 has 12 divisors (see below), whose sum is σ = 81975852112. Its totient is φ = 17566254000.

The previous prime is 40987925911. The next prime is 40987926029. The reversal of 40987926028 is 82062978904.

40987926028 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 40987926028.

It is not an unprimeable number, because it can be changed into a prime (40987926029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731927223 + ... + 731927278.

Almost surely, 2^40987926028 is an apocalyptic number.

It is an amenable number.

40987926028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40987926028 is a wasteful number, since it uses less digits than its factorization.

40987926028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463854512 (or 1463854510 counting only the distinct ones).

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

The spelling of 40987926028 in words is "forty billion, nine hundred eighty-seven million, nine hundred twenty-six thousand, twenty-eight".