5621265444 has 48 divisors (see below), whose sum is σ = 13817988800. Its totient is φ = 1773674496.

The previous prime is 5621265443. The next prime is 5621265469. The reversal of 5621265444 is 4445621265.

It is not an unprimeable number, because it can be changed into a prime (5621265443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286212 + ... + 305220.

Almost surely, 2^5621265444 is an apocalyptic number.

It is an amenable number.

5621265444 is an abundant number, since it is smaller than the sum of its proper divisors (8196723356).

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

5621265444 is a wasteful number, since it uses less digits than its factorization.

5621265444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20332 (or 20330 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The square root of 5621265444 is about 74975.0988262103. The cubic root of 5621265444 is about 1778.0529823775.

The spelling of 5621265444 in words is "five billion, six hundred twenty-one million, two hundred sixty-five thousand, four hundred forty-four".