26533007172 has 72 divisors (see below), whose sum is σ = 76684608000. Its totient is φ = 7577526528.

The previous prime is 26533007143. The next prime is 26533007177. The reversal of 26533007172 is 27170033562.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (26533007177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 582604 + ... + 626492.

It is an arithmetic number, because the mean of its divisors is an integer number (1065064000).

Almost surely, 2^26533007172 is an apocalyptic number.

It is an amenable number.

26533007172 is an abundant number, since it is smaller than the sum of its proper divisors (50151600828).

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

26533007172 is a wasteful number, since it uses less digits than its factorization.

26533007172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46305 (or 46300 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 26533007172 in words is "twenty-six billion, five hundred thirty-three million, seven thousand, one hundred seventy-two".