26155023144 has 64 divisors (see below), whose sum is σ = 67520839680. Its totient is φ = 8434104000.

The previous prime is 26155023127. The next prime is 26155023151. The reversal of 26155023144 is 44132055162.

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, 3173509 + ... + 3181739.

It is an arithmetic number, because the mean of its divisors is an integer number (1055013120).

Almost surely, 2^26155023144 is an apocalyptic number.

26155023144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26155023144 is an abundant number, since it is smaller than the sum of its proper divisors (41365816536).

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

26155023144 is a wasteful number, since it uses less digits than its factorization.

26155023144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12542 (or 12538 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 26155023144 in words is "twenty-six billion, one hundred fifty-five million, twenty-three thousand, one hundred forty-four".