26144275972 has 12 divisors (see below), whose sum is σ = 45820470556. Its totient is φ = 13052712960.

The previous prime is 26144275967. The next prime is 26144276003. The reversal of 26144275972 is 27957244162.

It can be written as a sum of positive squares in 2 ways, for example, as 7852795456 + 18291480516 = 88616^2 + 135246^2 .

It is a super-2 number, since 2×26144275972² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4853229 + ... + 4858612.

Almost surely, 2^26144275972 is an apocalyptic number.

It is an amenable number.

26144275972 is a deficient number, since it is larger than the sum of its proper divisors (19676194584).

26144275972 is a wasteful number, since it uses less digits than its factorization.

26144275972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9712518 (or 9712516 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The spelling of 26144275972 in words is "twenty-six billion, one hundred forty-four million, two hundred seventy-five thousand, nine hundred seventy-two".