26493172032 has 56 divisors (see below), whose sum is σ = 70983856000. Its totient is φ = 8719266816.

The previous prime is 26493172019. The next prime is 26493172051. The reversal of 26493172032 is 23027139462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858157 + ... + 888492.

Almost surely, 2^26493172032 is an apocalyptic number.

It is an amenable number.

26493172032 is an abundant number, since it is smaller than the sum of its proper divisors (44490683968).

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

26493172032 is a wasteful number, since it uses less digits than its factorization.

26493172032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746743 (or 1746733 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 26493172032 in words is "twenty-six billion, four hundred ninety-three million, one hundred seventy-two thousand, thirty-two".