26442242064 has 60 divisors (see below), whose sum is σ = 84573206016. Its totient is φ = 7554926016.

The previous prime is 26442242059. The next prime is 26442242087. The reversal of 26442242064 is 46024224462.

26442242064 is a `hidden beast` number, since 2 + 6 + 442 + 2 + 4 + 206 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 13115184 + ... + 13117199.

Almost surely, 2^26442242064 is an apocalyptic number.

26442242064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26442242064 is an abundant number, since it is smaller than the sum of its proper divisors (58130963952).

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

26442242064 is a wasteful number, since it uses less digits than its factorization.

26442242064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26232404 (or 26232395 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 26442242064 in words is "twenty-six billion, four hundred forty-two million, two hundred forty-two thousand, sixty-four".