26090645952 has 112 divisors (see below), whose sum is σ = 78957992960. Its totient is φ = 7448343552.

The previous prime is 26090645923. The next prime is 26090645989. The reversal of 26090645952 is 25954609062.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×26090645952² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1776174 + ... + 1790802.

It is an arithmetic number, because the mean of its divisors is an integer number (704982080).

Almost surely, 2^26090645952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26090645952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39478996480).

26090645952 is an abundant number, since it is smaller than the sum of its proper divisors (52867347008).

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

26090645952 is a wasteful number, since it uses less digits than its factorization.

26090645952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15978 (or 15968 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 26090645952 in words is "twenty-six billion, ninety million, six hundred forty-five thousand, nine hundred fifty-two".