48644140 has 48 divisors (see below), whose sum is σ = 108918432. Its totient is φ = 18185216.

The previous prime is 48644131. The next prime is 48644203. The reversal of 48644140 is 4144684.

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, 58407 + ... + 59233.

It is an arithmetic number, because the mean of its divisors is an integer number (2269134).

Almost surely, 2^48644140 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 48644140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54459216).

48644140 is an abundant number, since it is smaller than the sum of its proper divisors (60274292).

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

48644140 is a wasteful number, since it uses less digits than its factorization.

48644140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 48644140 is about 6974.5351099554. The cubic root of 48644140 is about 365.0425671254.

It can be divided in two parts, 48644 and 140, that added together give a palindrome (48784).

The spelling of 48644140 in words is "forty-eight million, six hundred forty-four thousand, one hundred forty".