351612178884442 has 32 divisors (see below), whose sum is σ = 630042355095552. Its totient is φ = 143893601777904.

The previous prime is 351612178884437. The next prime is 351612178884467. The reversal of 351612178884442 is 244488871216153.

It is a super-2 number, since 2×351612178884442² (a number of 30 digits) contains 22 as substring.

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, 929933038 + ... + 930311065.

It is an arithmetic number, because the mean of its divisors is an integer number (19688823596736).

Almost surely, 2^{351612178884442} is an apocalyptic number.

351612178884442 is a deficient number, since it is larger than the sum of its proper divisors (278430176211110).

351612178884442 is a wasteful number, since it uses less digits than its factorization.

351612178884442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860244722.

The product of its digits is 82575360, while the sum is 64.

The spelling of 351612178884442 in words is "three hundred fifty-one trillion, six hundred twelve billion, one hundred seventy-eight million, eight hundred eighty-four thousand, four hundred forty-two".