44397380 has 12 divisors (see below), whose sum is σ = 93234540. Its totient is φ = 17758944.

The previous prime is 44397343. The next prime is 44397389. The reversal of 44397380 is 8379344.

It can be written as a sum of positive squares in 2 ways, for example, as 4656964 + 39740416 = 2158^2 + 6304^2 .

It is a super-2 number, since 2×44397380² = 3942254701728800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44397389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109915 + ... + 1109954.

It is an arithmetic number, because the mean of its divisors is an integer number (7769545).

Almost surely, 2^44397380 is an apocalyptic number.

It is an amenable number.

44397380 is an abundant number, since it is smaller than the sum of its proper divisors (48837160).

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

44397380 is a wasteful number, since it uses less digits than its factorization.

44397380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219878 (or 2219876 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 44397380 is about 6663.1358983590. The cubic root of 44397380 is about 354.0944453121.

The spelling of 44397380 in words is "forty-four million, three hundred ninety-seven thousand, three hundred eighty".