990959044 has 24 divisors (see below), whose sum is σ = 1770703200. Its totient is φ = 485112000.

The previous prime is 990959033. The next prime is 990959059. The reversal of 990959044 is 440959099.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50872 + ... + 67600.

It is an arithmetic number, because the mean of its divisors is an integer number (73779300).

Almost surely, 2^990959044 is an apocalyptic number.

It is an amenable number.

990959044 is a deficient number, since it is larger than the sum of its proper divisors (779744156).

990959044 is a wasteful number, since it uses less digits than its factorization.

990959044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17043 (or 17041 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 990959044 is about 31479.5019655648. The cubic root of 990959044 is about 996.9772200077.

Subtracting from 990959044 its reverse (440959099), we obtain a palindrome (549999945).

The spelling of 990959044 in words is "nine hundred ninety million, nine hundred fifty-nine thousand, forty-four".