351112222322540 has 96 divisors (see below), whose sum is σ = 892376509852800. Its totient is φ = 113282504884224.

The previous prime is 351112222322479. The next prime is 351112222322549. The reversal of 351112222322540 is 45223222211153.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 351112222322540.

It is not an unprimeable number, because it can be changed into a prime (351112222322549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3910712 + ... + 26786528.

It is an arithmetic number, because the mean of its divisors is an integer number (9295588644300).

Almost surely, 2^{351112222322540} is an apocalyptic number.

It is an amenable number.

351112222322540 is an abundant number, since it is smaller than the sum of its proper divisors (541264287530260).

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

351112222322540 is a wasteful number, since it uses less digits than its factorization.

351112222322540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22882299 (or 22882297 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 351112222322540 its reverse (45223222211153), we get a palindrome (396335444533693).

The spelling of 351112222322540 in words is "three hundred fifty-one trillion, one hundred twelve billion, two hundred twenty-two million, three hundred twenty-two thousand, five hundred forty".