44661438 has 24 divisors (see below), whose sum is σ = 101860200. Its totient is φ = 14103504.

The previous prime is 44661433. The next prime is 44661451. The reversal of 44661438 is 83416644.

44661438 is a `hidden beast` number, since 4 + 4 + 6 + 614 + 38 = 666.

It is a super-3 number, since 3×44661438³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44661433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64953 + ... + 65636.

It is an arithmetic number, because the mean of its divisors is an integer number (4244175).

Almost surely, 2^44661438 is an apocalyptic number.

44661438 is an abundant number, since it is smaller than the sum of its proper divisors (57198762).

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

44661438 is a wasteful number, since it uses less digits than its factorization.

44661438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130616 (or 130613 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 44661438 is about 6682.9213671867. The cubic root of 44661438 is about 354.7950625651.

The spelling of 44661438 in words is "forty-four million, six hundred sixty-one thousand, four hundred thirty-eight".