347138902840 has 32 divisors (see below), whose sum is σ = 788795832960. Its totient is φ = 137480752000.

The previous prime is 347138902819. The next prime is 347138902853. The reversal of 347138902840 is 48209831743.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42958696 + ... + 42966775.

It is an arithmetic number, because the mean of its divisors is an integer number (24649869780).

Almost surely, 2^347138902840 is an apocalyptic number.

It is an amenable number.

347138902840 is an abundant number, since it is smaller than the sum of its proper divisors (441656930120).

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

347138902840 is a wasteful number, since it uses less digits than its factorization.

347138902840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85925583 (or 85925579 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 347138902840 in words is "three hundred forty-seven billion, one hundred thirty-eight million, nine hundred two thousand, eight hundred forty".