48537470640 has 80 divisors (see below), whose sum is σ = 152932863456. Its totient is φ = 12731136000.

The previous prime is 48537470617. The next prime is 48537470689. The reversal of 48537470640 is 4607473584.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×48537470640² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 48537470640.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1643061 + ... + 1672340.

Almost surely, 2^48537470640 is an apocalyptic number.

48537470640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48537470640 is an abundant number, since it is smaller than the sum of its proper divisors (104395392816).

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

48537470640 is a wasteful number, since it uses less digits than its factorization.

48537470640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315478 (or 3315472 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 48537470640 in words is "forty-eight billion, five hundred thirty-seven million, four hundred seventy thousand, six hundred forty".