44661090 has 64 divisors (see below), whose sum is σ = 111196800. Its totient is φ = 11472384.

The previous prime is 44661083. The next prime is 44661107. The reversal of 44661090 is 9016644.

44661090 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 2×44661090² = 3989225919976200, which contains 22 as substring.

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

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 31 ways as a sum of consecutive naturals, for example, 114616 + ... + 115004.

It is an arithmetic number, because the mean of its divisors is an integer number (1737450).

Almost surely, 2^44661090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44661090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55598400).

44661090 is an abundant number, since it is smaller than the sum of its proper divisors (66535710).

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

44661090 is a wasteful number, since it uses less digits than its factorization.

44661090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 44661090 is about 6682.8953306183. The cubic root of 44661090 is about 354.7941410468.

The spelling of 44661090 in words is "forty-four million, six hundred sixty-one thousand, ninety".