26725071520 has 48 divisors (see below), whose sum is σ = 72157696128. Its totient is φ = 9162881280.

The previous prime is 26725071517. The next prime is 26725071551. The reversal of 26725071520 is 2517052762.

It is a super-2 number, since 2×26725071520² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26725071520.

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, 11929716 + ... + 11931955.

It is an arithmetic number, because the mean of its divisors is an integer number (1503285336).

Almost surely, 2^26725071520 is an apocalyptic number.

26725071520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26725071520 is an abundant number, since it is smaller than the sum of its proper divisors (45432624608).

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

26725071520 is a wasteful number, since it uses less digits than its factorization.

26725071520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23861693 (or 23861685 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 26725071520 in words is "twenty-six billion, seven hundred twenty-five million, seventy-one thousand, five hundred twenty".