44904994 has 4 divisors (see below), whose sum is σ = 67357494. Its totient is φ = 22452496.

The previous prime is 44904991. The next prime is 44904997. The reversal of 44904994 is 49940944.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (44904991) and next prime (44904997).

It can be written as a sum of positive squares in only one way, i.e., 23882769 + 21022225 = 4887^2 + 4585^2 .

It is a super-2 number, since 2×44904994² = 4032916972280072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44904994.

It is not an unprimeable number, because it can be changed into a prime (44904991) by changing a digit.

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 as a sum of consecutive naturals, namely, 11226247 + ... + 11226250.

Almost surely, 2^44904994 is an apocalyptic number.

44904994 is a deficient number, since it is larger than the sum of its proper divisors (22452500).

44904994 is a wasteful number, since it uses less digits than its factorization.

44904994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22452499.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 44904994 is about 6701.1188618021. The cubic root of 44904994 is about 355.4388383753.

The spelling of 44904994 in words is "forty-four million, nine hundred four thousand, nine hundred ninety-four".