8259264720 has 120 divisors (see below), whose sum is σ = 31699863936. Its totient is φ = 1887830784.

The previous prime is 8259264719. The next prime is 8259264733. The reversal of 8259264720 is 274629528.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 814332 + ... + 824411.

Almost surely, 2^8259264720 is an apocalyptic number.

8259264720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8259264720 is an abundant number, since it is smaller than the sum of its proper divisors (23440599216).

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

8259264720 is a wasteful number, since it uses less digits than its factorization.

8259264720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638769 (or 1638760 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 8259264720 is about 90880.4969176556. The cubic root of 8259264720 is about 2021.3761103238.

The spelling of 8259264720 in words is "eight billion, two hundred fifty-nine million, two hundred sixty-four thousand, seven hundred twenty".