26051103924640 has 48 divisors (see below), whose sum is σ = 65166070265352. Its totient is φ = 9807474417664.

The previous prime is 26051103924631. The next prime is 26051103924653. The reversal of 26051103924640 is 4642930115062.

It can be written as a sum of positive squares in 4 ways, for example, as 24929529730704 + 1121574193936 = 4992948^2 + 1059044^2 .

It is a super-2 number, since 2×26051103924640² (a number of 28 digits) contains 22 as substring.

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, 4788803149 + ... + 4788808588.

Almost surely, 2^{26051103924640} is an apocalyptic number.

26051103924640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26051103924640 is an abundant number, since it is smaller than the sum of its proper divisors (39114966340712).

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

26051103924640 is a wasteful number, since it uses less digits than its factorization.

26051103924640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9577611769 (or 9577611761 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 26051103924640 in words is "twenty-six trillion, fifty-one billion, one hundred three million, nine hundred twenty-four thousand, six hundred forty".