26554474740 has 96 divisors (see below), whose sum is σ = 77722041600. Its totient is φ = 6761373696.

The previous prime is 26554474679. The next prime is 26554474741. The reversal of 26554474740 is 4747445562.

It is a self number, because there is not a number n which added to its sum of digits gives 26554474740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26554474741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 779586 + ... + 812934.

It is an arithmetic number, because the mean of its divisors is an integer number (809604600).

Almost surely, 2^26554474740 is an apocalyptic number.

26554474740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26554474740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38861020800).

26554474740 is an abundant number, since it is smaller than the sum of its proper divisors (51167566860).

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

26554474740 is a wasteful number, since it uses less digits than its factorization.

26554474740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33961 (or 33959 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 48.

The spelling of 26554474740 in words is "twenty-six billion, five hundred fifty-four million, four hundred seventy-four thousand, seven hundred forty".