48147665840 has 20 divisors (see below), whose sum is σ = 111943323264. Its totient is φ = 19259066304.

The previous prime is 48147665827. The next prime is 48147665849. The reversal of 48147665840 is 4856674184.

48147665840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (48147665849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300922832 + ... + 300922991.

Almost surely, 2^48147665840 is an apocalyptic number.

48147665840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48147665840 is an abundant number, since it is smaller than the sum of its proper divisors (63795657424).

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

48147665840 is a wasteful number, since it uses less digits than its factorization.

48147665840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601845836 (or 601845830 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 48147665840 in words is "forty-eight billion, one hundred forty-seven million, six hundred sixty-five thousand, eight hundred forty".