44648890 has 32 divisors (see below), whose sum is σ = 94421376. Its totient is φ = 14986560.

The previous prime is 44648887. The next prime is 44648939. The reversal of 44648890 is 9884644.

It is a happy number.

44648890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 14182 + ... + 17041.

It is an arithmetic number, because the mean of its divisors is an integer number (2950668).

Almost surely, 2^44648890 is an apocalyptic number.

44648890 is an abundant number, since it is smaller than the sum of its proper divisors (49772486).

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

44648890 is a wasteful number, since it uses less digits than its factorization.

44648890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31254.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 44648890 is about 6681.9824902494. The cubic root of 44648890 is about 354.7618319180.

The spelling of 44648890 in words is "forty-four million, six hundred forty-eight thousand, eight hundred ninety".