39240049240 has 64 divisors (see below), whose sum is σ = 104157941760. Its totient is φ = 13019736960.

The previous prime is 39240049217. The next prime is 39240049253. The reversal of 39240049240 is 4294004293.

It is a self number, because there is not a number n which added to its sum of digits gives 39240049240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2251692 + ... + 2269051.

It is an arithmetic number, because the mean of its divisors is an integer number (1627467840).

Almost surely, 2^39240049240 is an apocalyptic number.

It is an amenable number.

39240049240 is an abundant number, since it is smaller than the sum of its proper divisors (64917892520).

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

39240049240 is a wasteful number, since it uses less digits than its factorization.

39240049240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520792 (or 4520788 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 39240049240 in words is "thirty-nine billion, two hundred forty million, forty-nine thousand, two hundred forty".