48644428 has 48 divisors (see below), whose sum is σ = 99800064. Its totient is φ = 20318400.

The previous prime is 48644399. The next prime is 48644437. The reversal of 48644428 is 82444684.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291201 + ... + 291367.

It is an arithmetic number, because the mean of its divisors is an integer number (2079168).

Almost surely, 2^48644428 is an apocalyptic number.

It is an amenable number.

48644428 is an abundant number, since it is smaller than the sum of its proper divisors (51155636).

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

48644428 is a wasteful number, since it uses less digits than its factorization.

48644428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 380 counting only the distinct ones).

The product of its digits is 196608, while the sum is 40.

The square root of 48644428 is about 6974.5557564622. Note that the first 3 decimals coincide. The cubic root of 48644428 is about 365.0432875414.

The spelling of 48644428 in words is "forty-eight million, six hundred forty-four thousand, four hundred twenty-eight".