5244641720 has 16 divisors (see below), whose sum is σ = 11800443960. Its totient is φ = 2097856672.

The previous prime is 5244641719. The next prime is 5244641741. The reversal of 5244641720 is 271464425.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65557982 + ... + 65558061.

Almost surely, 2^5244641720 is an apocalyptic number.

It is an amenable number.

5244641720 is an abundant number, since it is smaller than the sum of its proper divisors (6555802240).

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

5244641720 is a wasteful number, since it uses less digits than its factorization.

5244641720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131116054 (or 131116050 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 5244641720 is about 72419.8986467117. The cubic root of 5244641720 is about 1737.4218346907.

The spelling of 5244641720 in words is "five billion, two hundred forty-four million, six hundred forty-one thousand, seven hundred twenty".