26315020044 has 24 divisors (see below), whose sum is σ = 68224126320. Its totient is φ = 8771673312.

The previous prime is 26315020019. The next prime is 26315020057. The reversal of 26315020044 is 44002051362.

26315020044 is a `hidden beast` number, since 2 + 631 + 5 + 0 + 20 + 0 + 4 + 4 = 666.

It is a super-2 number, since 2×26315020044² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121828689 + ... + 121828904.

It is an arithmetic number, because the mean of its divisors is an integer number (2842671930).

Almost surely, 2^26315020044 is an apocalyptic number.

It is an amenable number.

26315020044 is an abundant number, since it is smaller than the sum of its proper divisors (41909106276).

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

26315020044 is a wasteful number, since it uses less digits than its factorization.

26315020044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243657606 (or 243657598 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 26315020044 in words is "twenty-six billion, three hundred fifteen million, twenty thousand, forty-four".