347474085840 has 240 divisors, whose sum is σ = 1334186630400. Its totient is φ = 79390015488.

The previous prime is 347474085793. The next prime is 347474085857. The reversal of 347474085840 is 48580474743.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13539741 + ... + 13565379.

It is an arithmetic number, because the mean of its divisors is an integer number (5559110960).

Almost surely, 2^347474085840 is an apocalyptic number.

347474085840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 347474085840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667093315200).

347474085840 is an abundant number, since it is smaller than the sum of its proper divisors (986712544560).

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

347474085840 is a wasteful number, since it uses less digits than its factorization.

347474085840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28354 (or 28345 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 54.

The spelling of 347474085840 in words is "three hundred forty-seven billion, four hundred seventy-four million, eighty-five thousand, eight hundred forty".