26123350656 has 64 divisors (see below), whose sum is σ = 74727868320. Its totient is φ = 8037952512.

The previous prime is 26123350607. The next prime is 26123350663. The reversal of 26123350656 is 65605332162.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 2611530 + ... + 2621513.

Almost surely, 2^26123350656 is an apocalyptic number.

26123350656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

26123350656 is an abundant number, since it is smaller than the sum of its proper divisors (48604517664).

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

26123350656 is a wasteful number, since it uses less digits than its factorization.

26123350656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233073 (or 5233061 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 26123350656 in words is "twenty-six billion, one hundred twenty-three million, three hundred fifty thousand, six hundred fifty-six".