40987925912 has 8 divisors (see below), whose sum is σ = 76852361100. Its totient is φ = 20493962952.

The previous prime is 40987925911. The next prime is 40987926029. The reversal of 40987925912 is 21952978904.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40987925911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561745362 + ... + 2561745377.

Almost surely, 2^40987925912 is an apocalyptic number.

It is an amenable number.

40987925912 is a deficient number, since it is larger than the sum of its proper divisors (35864435188).

40987925912 is a wasteful number, since it uses less digits than its factorization.

40987925912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123490745 (or 5123490741 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 40987925912 in words is "forty billion, nine hundred eighty-seven million, nine hundred twenty-five thousand, nine hundred twelve".