44340138 has 24 divisors (see below), whose sum is σ = 98306208. Its totient is φ = 14436072.

The previous prime is 44340103. The next prime is 44340143. The reversal of 44340138 is 83104344.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27870 + ... + 29417.

It is an arithmetic number, because the mean of its divisors is an integer number (4096092).

Almost surely, 2^44340138 is an apocalyptic number.

44340138 is an abundant number, since it is smaller than the sum of its proper divisors (53966070).

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

44340138 is a wasteful number, since it uses less digits than its factorization.

44340138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57338 (or 57335 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 44340138 is about 6658.8390880093. The cubic root of 44340138 is about 353.9422006562.

The spelling of 44340138 in words is "forty-four million, three hundred forty thousand, one hundred thirty-eight".