26570252992 has 56 divisors (see below), whose sum is σ = 55563861440. Its totient is φ = 12571511040.

The previous prime is 26570252977. The next prime is 26570252999. The reversal of 26570252992 is 29925207562.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26570252999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090867 + ... + 1114957.

Almost surely, 2^26570252992 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 26570252992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27781930720).

26570252992 is an abundant number, since it is smaller than the sum of its proper divisors (28993608448).

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

26570252992 is a wasteful number, since it uses less digits than its factorization.

26570252992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25029 (or 25019 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 26570252992 in words is "twenty-six billion, five hundred seventy million, two hundred fifty-two thousand, nine hundred ninety-two".