5261063720 has 64 divisors (see below), whose sum is σ = 12995942400. Its totient is φ = 1900903680.

The previous prime is 5261063699. The next prime is 5261063761. The reversal of 5261063720 is 273601625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31001 + ... + 107159.

It is an arithmetic number, because the mean of its divisors is an integer number (203061600).

Almost surely, 2^5261063720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5261063720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6497971200).

5261063720 is an abundant number, since it is smaller than the sum of its proper divisors (7734878680).

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

5261063720 is a wasteful number, since it uses less digits than its factorization.

5261063720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76338 (or 76334 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 5261063720 is about 72533.1904716730. The cubic root of 5261063720 is about 1739.2333479067.

The spelling of 5261063720 in words is "five billion, two hundred sixty-one million, sixty-three thousand, seven hundred twenty".