26625641274 has 64 divisors (see below), whose sum is σ = 61161799680. Its totient is φ = 8576956080.

The previous prime is 26625641239. The next prime is 26625641291. The reversal of 26625641274 is 47214652662.

26625641274 is a `hidden beast` number, since 2 + 6 + 6 + 2 + 564 + 12 + 74 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1233079 + ... + 1254485.

It is an arithmetic number, because the mean of its divisors is an integer number (955653120).

Almost surely, 2^26625641274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26625641274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30580899840).

26625641274 is an abundant number, since it is smaller than the sum of its proper divisors (34536158406).

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

26625641274 is a wasteful number, since it uses less digits than its factorization.

26625641274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22192 (or 22186 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 26625641274 in words is "twenty-six billion, six hundred twenty-five million, six hundred forty-one thousand, two hundred seventy-four".