5244636444 has 24 divisors (see below), whose sum is σ = 12247240320. Its totient is φ = 1746818544.

The previous prime is 5244636421. The next prime is 5244636461. The reversal of 5244636444 is 4446364425.

It is a happy number.

It is a super-2 number, since 2×5244636444² = 55012422859465930272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5244636396 and 5244636405.

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, 158464 + ... + 188679.

It is an arithmetic number, because the mean of its divisors is an integer number (510301680).

Almost surely, 2^5244636444 is an apocalyptic number.

It is an amenable number.

5244636444 is an abundant number, since it is smaller than the sum of its proper divisors (7002603876).

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

5244636444 is a wasteful number, since it uses less digits than its factorization.

5244636444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348409 (or 348407 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 42.

The square root of 5244636444 is about 72419.8622202500. The cubic root of 5244636444 is about 1737.4212520872.

The spelling of 5244636444 in words is "five billion, two hundred forty-four million, six hundred thirty-six thousand, four hundred forty-four".