44748540 has 72 divisors (see below), whose sum is σ = 139426560. Its totient is φ = 11608704.

The previous prime is 44748499. The next prime is 44748601. The reversal of 44748540 is 4584744.

44748540 is a `hidden beast` number, since 44 + 74 + 8 + 540 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 44748495 and 44748504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3301 + ... + 10019.

It is an arithmetic number, because the mean of its divisors is an integer number (1936480).

Almost surely, 2^44748540 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 44748540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69713280).

44748540 is an abundant number, since it is smaller than the sum of its proper divisors (94678020).

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

44748540 is a wasteful number, since it uses less digits than its factorization.

44748540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771 (or 6766 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 44748540 is about 6689.4349537162. The cubic root of 44748540 is about 355.0255618703.

The spelling of 44748540 in words is "forty-four million, seven hundred forty-eight thousand, five hundred forty".