345626626542 has 16 divisors (see below), whose sum is σ = 691710751872. Its totient is φ = 115132625720.

The previous prime is 345626626529. The next prime is 345626626571. The reversal of 345626626542 is 245626626543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19052628 + ... + 19070759.

It is an arithmetic number, because the mean of its divisors is an integer number (43231921992).

Almost surely, 2^345626626542 is an apocalyptic number.

345626626542 is an abundant number, since it is smaller than the sum of its proper divisors (346084125330).

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

345626626542 is a wasteful number, since it uses less digits than its factorization.

345626626542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38124903.

The product of its digits is 12441600, while the sum is 51.

Subtracting from 345626626542 its reverse (245626626543), we obtain a palindrome (99999999999).

The spelling of 345626626542 in words is "three hundred forty-five billion, six hundred twenty-six million, six hundred twenty-six thousand, five hundred forty-two".