39040415140 has 24 divisors (see below), whose sum is σ = 82068315840. Its totient is φ = 15600271968.

The previous prime is 39040415137. The next prime is 39040415149. The reversal of 39040415140 is 4151404093.

It is not an unprimeable number, because it can be changed into a prime (39040415149) 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, 973230 + ... + 1012549.

It is an arithmetic number, because the mean of its divisors is an integer number (3419513160).

Almost surely, 2^39040415140 is an apocalyptic number.

It is an amenable number.

39040415140 is an abundant number, since it is smaller than the sum of its proper divisors (43027900700).

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

39040415140 is a wasteful number, since it uses less digits than its factorization.

39040415140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986771 (or 1986769 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 39040415140 in words is "thirty-nine billion, forty million, four hundred fifteen thousand, one hundred forty".