26311883904 has 48 divisors (see below), whose sum is σ = 75715190070. Its totient is φ = 8770627584.

The previous prime is 26311883903. The next prime is 26311883999. The reversal of 26311883904 is 40938811362.

26311883904 is a `hidden beast` number, since 2 + 631 + 1 + 8 + 8 + 3 + 9 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15437565504 + 10874318400 = 124248^2 + 104280^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 26311883904.

It is not an unprimeable number, because it can be changed into a prime (26311883903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11418937 + ... + 11421240.

Almost surely, 2^26311883904 is an apocalyptic number.

26311883904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26311883904 is an abundant number, since it is smaller than the sum of its proper divisors (49403306166).

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

26311883904 is a wasteful number, since it uses less digits than its factorization.

26311883904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22840197 (or 22840182 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 26311883904 in words is "twenty-six billion, three hundred eleven million, eight hundred eighty-three thousand, nine hundred four".