44937540 has 72 divisors (see below), whose sum is σ = 136864728. Its totient is φ = 11934720.

The previous prime is 44937509. The next prime is 44937547. The reversal of 44937540 is 4573944.

It can be written as a sum of positive squares in 4 ways, for example, as 20736 + 44916804 = 144^2 + 6702^2 .

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 = 44937495 and 44937504.

It is not an unprimeable number, because it can be changed into a prime (44937547) 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, 75484 + ... + 76076.

It is an arithmetic number, because the mean of its divisors is an integer number (1900899).

Almost surely, 2^44937540 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 44937540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68432364).

44937540 is an abundant number, since it is smaller than the sum of its proper divisors (91927188).

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

44937540 is a wasteful number, since it uses less digits than its factorization.

44937540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 44937540 is about 6703.5468223919. The cubic root of 44937540 is about 355.5246886543.

The spelling of 44937540 in words is "forty-four million, nine hundred thirty-seven thousand, five hundred forty".