26748734436 has 48 divisors (see below), whose sum is σ = 69359935680. Its totient is φ = 8914783680.

The previous prime is 26748734429. The next prime is 26748734471. The reversal of 26748734436 is 63443784762.

26748734436 is a `hidden beast` number, since 267 + 4 + 8 + 7 + 344 + 36 = 666.

It is a super-3 number, since 3×26748734436³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 791395 + ... + 824501.

It is an arithmetic number, because the mean of its divisors is an integer number (1444998660).

Almost surely, 2^26748734436 is an apocalyptic number.

It is an amenable number.

26748734436 is an abundant number, since it is smaller than the sum of its proper divisors (42611201244).

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

26748734436 is a wasteful number, since it uses less digits than its factorization.

26748734436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40601 (or 40593 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 54.

The spelling of 26748734436 in words is "twenty-six billion, seven hundred forty-eight million, seven hundred thirty-four thousand, four hundred thirty-six".