44921090 has 16 divisors (see below), whose sum is σ = 81154872. Its totient is φ = 17902464.

The previous prime is 44921083. The next prime is 44921101. The reversal of 44921090 is 9012944.

It can be written as a sum of positive squares in 4 ways, for example, as 35366809 + 9554281 = 5947^2 + 3091^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5339 + ... + 10878.

Almost surely, 2^44921090 is an apocalyptic number.

44921090 is a deficient number, since it is larger than the sum of its proper divisors (36233782).

44921090 is a wasteful number, since it uses less digits than its factorization.

44921090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16501.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 44921090 is about 6702.3197476695. The cubic root of 44921090 is about 355.4813018045.

The spelling of 44921090 in words is "forty-four million, nine hundred twenty-one thousand, ninety".