44390168 has 8 divisors (see below), whose sum is σ = 83231580. Its totient is φ = 22195080.

The previous prime is 44390153. The next prime is 44390173. The reversal of 44390168 is 86109344.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2774378 + ... + 2774393.

Almost surely, 2^44390168 is an apocalyptic number.

It is an amenable number.

44390168 is a deficient number, since it is larger than the sum of its proper divisors (38841412).

44390168 is a wasteful number, since it uses less digits than its factorization.

44390168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548777 (or 5548773 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 44390168 is about 6662.5946897586. The cubic root of 44390168 is about 354.0752710018.

The spelling of 44390168 in words is "forty-four million, three hundred ninety thousand, one hundred sixty-eight".