351249140385 has 96 divisors (see below), whose sum is σ = 719018366976. Its totient is φ = 156378816000.

The previous prime is 351249140371. The next prime is 351249140413. The reversal of 351249140385 is 583041942153.

351249140385 is a `hidden beast` number, since 3 + 5 + 124 + 9 + 140 + 385 = 666.

It is not a de Polignac number, because 351249140385 - 2⁸ = 351249140129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 351249140385.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1086195 + ... + 1371975.

It is an arithmetic number, because the mean of its divisors is an integer number (7489774656).

Almost surely, 2^351249140385 is an apocalyptic number.

It is an amenable number.

351249140385 is an abundant number, since it is smaller than the sum of its proper divisors (367769226591).

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

351249140385 is a wasteful number, since it uses less digits than its factorization.

351249140385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286007 (or 286004 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 351249140385 in words is "three hundred fifty-one billion, two hundred forty-nine million, one hundred forty thousand, three hundred eighty-five".