44169090 has 48 divisors (see below), whose sum is σ = 123316992. Its totient is φ = 10095456.

The previous prime is 44169067. The next prime is 44169109. The reversal of 44169090 is 9096144.

44169090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×44169090² = 3901817022856200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13554 + ... + 16493.

It is an arithmetic number, because the mean of its divisors is an integer number (2569104).

Almost surely, 2^44169090 is an apocalyptic number.

44169090 is an abundant number, since it is smaller than the sum of its proper divisors (79147902).

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

44169090 is a wasteful number, since it uses less digits than its factorization.

44169090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30071 (or 30064 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 44169090 is about 6645.9829972699. The cubic root of 44169090 is about 353.4864877363.

The spelling of 44169090 in words is "forty-four million, one hundred sixty-nine thousand, ninety".