48491424 has 72 divisors (see below), whose sum is σ = 139017060. Its totient is φ = 16032768.

The previous prime is 48491419. The next prime is 48491459. The reversal of 48491424 is 42419484.

It can be written as a sum of positive squares in 2 ways, for example, as 41835024 + 6656400 = 6468^2 + 2580^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38842 + ... + 40070.

Almost surely, 2^48491424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48491424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69508530).

48491424 is an abundant number, since it is smaller than the sum of its proper divisors (90525636).

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

48491424 is a wasteful number, since it uses less digits than its factorization.

48491424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1371 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 48491424 is about 6963.5783904541. The cubic root of 48491424 is about 364.6601553084.

The spelling of 48491424 in words is "forty-eight million, four hundred ninety-one thousand, four hundred twenty-four".