48409185438 has 64 divisors (see below), whose sum is σ = 108448200000. Its totient is φ = 16005866112.

The previous prime is 48409185323. The next prime is 48409185457. The reversal of 48409185438 is 83458190484.

It is a happy number.

48409185438 is a `hidden beast` number, since 4 + 8 + 4 + 0 + 91 + 8 + 543 + 8 = 666.

48409185438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×48409185438³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6408888 + ... + 6416436.

It is an arithmetic number, because the mean of its divisors is an integer number (1694503125).

Almost surely, 2^48409185438 is an apocalyptic number.

48409185438 is an abundant number, since it is smaller than the sum of its proper divisors (60039014562).

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

48409185438 is a wasteful number, since it uses less digits than its factorization.

48409185438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8506 (or 8500 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 48409185438 in words is "forty-eight billion, four hundred nine million, one hundred eighty-five thousand, four hundred thirty-eight".