26400464046 has 24 divisors (see below), whose sum is σ = 62401097304. Its totient is φ = 8000140560.

The previous prime is 26400464021. The next prime is 26400464053. The reversal of 26400464046 is 64046400462.

It is a happy number.

26400464046 is a `hidden beast` number, since 2 + 6 + 4 + 0 + 0 + 4 + 640 + 4 + 6 = 666.

26400464046 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 26400464046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66667641 + ... + 66668036.

It is an arithmetic number, because the mean of its divisors is an integer number (2600045721).

Almost surely, 2^26400464046 is an apocalyptic number.

26400464046 is an abundant number, since it is smaller than the sum of its proper divisors (36000633258).

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

26400464046 is a wasteful number, since it uses less digits than its factorization.

26400464046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133335696 (or 133335693 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 26400464046 in words is "twenty-six billion, four hundred million, four hundred sixty-four thousand, forty-six".