44820890 has 16 divisors (see below), whose sum is σ = 80754408. Its totient is φ = 17911296.

The previous prime is 44820869. The next prime is 44820899. The reversal of 44820890 is 9802844.

It can be written as a sum of positive squares in 4 ways, for example, as 9406489 + 35414401 = 3067^2 + 5951^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44820890.

It is not an unprimeable number, because it can be changed into a prime (44820899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17534 + ... + 19926.

Almost surely, 2^44820890 is an apocalyptic number.

44820890 is a deficient number, since it is larger than the sum of its proper divisors (35933518).

44820890 is a wasteful number, since it uses less digits than its factorization.

44820890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 44820890 is about 6694.8405507525. The cubic root of 44820890 is about 355.2167954362.

The spelling of 44820890 in words is "forty-four million, eight hundred twenty thousand, eight hundred ninety".