347457513940 has 48 divisors (see below), whose sum is σ = 749783582352. Its totient is φ = 135154123776.

The previous prime is 347457513859. The next prime is 347457513967. The reversal of 347457513940 is 49315754743.

It can be written as a sum of positive squares in 8 ways, for example, as 10560850756 + 336896663184 = 102766^2 + 580428^2 .

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, 1263904 + ... + 1514056.

It is an arithmetic number, because the mean of its divisors is an integer number (15620491299).

Almost surely, 2^347457513940 is an apocalyptic number.

It is an amenable number.

347457513940 is an abundant number, since it is smaller than the sum of its proper divisors (402326068412).

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

347457513940 is a wasteful number, since it uses less digits than its factorization.

347457513940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252076 (or 252074 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 347457513940 in words is "three hundred forty-seven billion, four hundred fifty-seven million, five hundred thirteen thousand, nine hundred forty".