47426080644 has 36 divisors (see below), whose sum is σ = 122670564016. Its totient is φ = 15441049008.

The previous prime is 47426080643. The next prime is 47426080649. The reversal of 47426080644 is 44608062474.

47426080644 is a `hidden beast` number, since 474 + 2 + 60 + 80 + 6 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 47426080644.

It is not an unprimeable number, because it can be changed into a prime (47426080643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15316954 + ... + 15320049.

Almost surely, 2^47426080644 is an apocalyptic number.

It is an amenable number.

47426080644 is an abundant number, since it is smaller than the sum of its proper divisors (75244483372).

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

47426080644 is a wasteful number, since it uses less digits than its factorization.

47426080644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30637056 (or 30637051 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 45.

The spelling of 47426080644 in words is "forty-seven billion, four hundred twenty-six million, eighty thousand, six hundred forty-four".