351275156240 has 80 divisors (see below), whose sum is σ = 872043435648. Its totient is φ = 131275296768.

The previous prime is 351275156207. The next prime is 351275156257. The reversal of 351275156240 is 42651572153.

It is a tau number, because it is divible by the number of its divisors (80).

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, 2140769 + ... + 2299008.

Almost surely, 2^351275156240 is an apocalyptic number.

It is an amenable number.

351275156240 is an abundant number, since it is smaller than the sum of its proper divisors (520768279408).

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

351275156240 is a wasteful number, since it uses less digits than its factorization.

351275156240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439856 (or 4439850 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 351275156240 in words is "three hundred fifty-one billion, two hundred seventy-five million, one hundred fifty-six thousand, two hundred forty".