48644316 has 72 divisors (see below), whose sum is σ = 141654240. Its totient is φ = 13787136.

The previous prime is 48644303. The next prime is 48644317. The reversal of 48644316 is 61344684.

48644316 is a `hidden beast` number, since 4 + 8 + 644 + 3 + 1 + 6 = 666.

48644316 is a nontrivial binomial coefficient, being equal to C(9864, 2).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48644317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33820 + ... + 35228.

It is an arithmetic number, because the mean of its divisors is an integer number (1967420).

Almost surely, 2^48644316 is an apocalyptic number.

48644316 is the 9863-rd triangular number and also the 4932-nd hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48644316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70827120).

48644316 is an abundant number, since it is smaller than the sum of its proper divisors (93009924).

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

48644316 is a wasteful number, since it uses less digits than its factorization.

48644316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563 (or 1558 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 48644316 is about 6974.5477272724. The cubic root of 48644316 is about 365.0430073799.

It can be divided in two parts, 4864 and 4316, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 48644316 in words is "forty-eight million, six hundred forty-four thousand, three hundred sixteen".