44387442 has 48 divisors (see below), whose sum is σ = 111095712. Its totient is φ = 12658560.

The previous prime is 44387419. The next prime is 44387467. The reversal of 44387442 is 24478344.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44387397 and 44387406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3228 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (2314494).

Almost surely, 2^44387442 is an apocalyptic number.

44387442 is an abundant number, since it is smaller than the sum of its proper divisors (66708270).

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

44387442 is a wasteful number, since it uses less digits than its factorization.

44387442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13223 (or 13220 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 44387442 is about 6662.3901116641. The cubic root of 44387442 is about 354.0680229332.

The spelling of 44387442 in words is "forty-four million, three hundred eighty-seven thousand, four hundred forty-two".