26356427436 has 12 divisors (see below), whose sum is σ = 61498330712. Its totient is φ = 8785475808.

The previous prime is 26356427417. The next prime is 26356427443. The reversal of 26356427436 is 63472465362.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×26356427436² (a number of 22 digits) contains 22 as substring.

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, 1098184465 + ... + 1098184488.

Almost surely, 2^26356427436 is an apocalyptic number.

It is an amenable number.

26356427436 is an abundant number, since it is smaller than the sum of its proper divisors (35141903276).

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

26356427436 is a wasteful number, since it uses less digits than its factorization.

26356427436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196368960 (or 2196368958 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 48.

The spelling of 26356427436 in words is "twenty-six billion, three hundred fifty-six million, four hundred twenty-seven thousand, four hundred thirty-six".