345244442544 has 120 divisors (see below), whose sum is σ = 968621397120. Its totient is φ = 114794090496.

The previous prime is 345244442461. The next prime is 345244442549. The reversal of 345244442544 is 445244442543.

345244442544 is a `hidden beast` number, since 3 + 4 + 5 + 24 + 44 + 42 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 345244442544.

It is not an unprimeable number, because it can be changed into a prime (345244442549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151888192 + ... + 151890464.

It is an arithmetic number, because the mean of its divisors is an integer number (8071844976).

Almost surely, 2^345244442544 is an apocalyptic number.

It is an amenable number.

345244442544 is an abundant number, since it is smaller than the sum of its proper divisors (623376954576).

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

345244442544 is a wasteful number, since it uses less digits than its factorization.

345244442544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459 (or 4450 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 45.

Subtracting 345244442544 from its reverse (445244442543), we obtain a palindrome (99999999999).

The spelling of 345244442544 in words is "three hundred forty-five billion, two hundred forty-four million, four hundred forty-two thousand, five hundred forty-four".