44538340 has 48 divisors (see below), whose sum is σ = 116613504. Its totient is φ = 13881600.

The previous prime is 44538323. The next prime is 44538349. The reversal of 44538340 is 4383544.

It is not an unprimeable number, because it can be changed into a prime (44538349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12921 + ... + 16000.

It is an arithmetic number, because the mean of its divisors is an integer number (2429448).

Almost surely, 2^44538340 is an apocalyptic number.

It is an amenable number.

44538340 is an abundant number, since it is smaller than the sum of its proper divisors (72075164).

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

44538340 is a wasteful number, since it uses less digits than its factorization.

44538340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28948 (or 28946 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 44538340 is about 6673.7051178487. The cubic root of 44538340 is about 354.4687948936.

The spelling of 44538340 in words is "forty-four million, five hundred thirty-eight thousand, three hundred forty".