624461872441 has 45 divisors (see below), whose sum is σ = 728183693013. Its totient is φ = 535111469640.

The previous prime is 624461872429. The next prime is 624461872451. The reversal of 624461872441 is 144278164426.

The square root of 624461872441 is 790229.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-624461872441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (624461872421) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3137999260 + ... + 3137999458.

Almost surely, 2^624461872441 is an apocalyptic number.

624461872441 is the 790229-th square number.

624461872441 is the 395115-th centered octagonal number.

It is an amenable number.

624461872441 is a deficient number, since it is larger than the sum of its proper divisors (103721820572).

624461872441 is an frugal number, since it uses more digits than its factorization.

624461872441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 229 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 49.

Multiplying 624461872441 by its sum of digits (49), we get a square (30598631749609 = 5531603²).

The spelling of 624461872441 in words is "six hundred twenty-four billion, four hundred sixty-one million, eight hundred seventy-two thousand, four hundred forty-one".