351433320513040 has 20 divisors (see below), whose sum is σ = 817082470193004. Its totient is φ = 140573328205184.

The previous prime is 351433320513019. The next prime is 351433320513059. The reversal of 351433320513040 is 40315023334153.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45196900362496 + 306236420150544 = 6722864^2 + 17499612^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×351433320513040² (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 3 ways as a sum of consecutive naturals, for example, 2196458253127 + ... + 2196458253286.

Almost surely, 2^{351433320513040} is an apocalyptic number.

It is an amenable number.

351433320513040 is an abundant number, since it is smaller than the sum of its proper divisors (465649149679964).

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

351433320513040 is a wasteful number, since it uses less digits than its factorization.

351433320513040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4392916506426 (or 4392916506420 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 351433320513040 its reverse (40315023334153), we get a palindrome (391748343847193).

The spelling of 351433320513040 in words is "three hundred fifty-one trillion, four hundred thirty-three billion, three hundred twenty million, five hundred thirteen thousand, forty".