44171490 has 32 divisors (see below), whose sum is σ = 115649856. Its totient is φ = 10708160.

The previous prime is 44171483. The next prime is 44171509. The reversal of 44171490 is 9417144.

It is a super-2 number, since 2×44171490² = 3902241057640200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66597 + ... + 67256.

It is an arithmetic number, because the mean of its divisors is an integer number (3614058).

Almost surely, 2^44171490 is an apocalyptic number.

44171490 is an abundant number, since it is smaller than the sum of its proper divisors (71478366).

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

44171490 is a wasteful number, since it uses less digits than its factorization.

44171490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133874.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 44171490 is about 6646.1635550143. The cubic root of 44171490 is about 353.4928900432.

The spelling of 44171490 in words is "forty-four million, one hundred seventy-one thousand, four hundred ninety".