48531644540 has 48 divisors (see below), whose sum is σ = 108866594592. Its totient is φ = 18109034496.

The previous prime is 48531644533. The next prime is 48531644543. The reversal of 48531644540 is 4544613584.

It is a junction number, because it is equal to n+sod(n) for n = 48531644491 and 48531644500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48531644543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593174 + ... + 670013.

It is an arithmetic number, because the mean of its divisors is an integer number (2268054054).

Almost surely, 2^48531644540 is an apocalyptic number.

It is an amenable number.

48531644540 is an abundant number, since it is smaller than the sum of its proper divisors (60334950052).

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

48531644540 is a wasteful number, since it uses less digits than its factorization.

48531644540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263326 (or 1263324 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 48531644540 in words is "forty-eight billion, five hundred thirty-one million, six hundred forty-four thousand, five hundred forty".