44998290 has 48 divisors (see below), whose sum is σ = 120166488. Its totient is φ = 11674368.

The previous prime is 44998243. The next prime is 44998301. The reversal of 44998290 is 9289944.

It can be written as a sum of positive squares in 4 ways, for example, as 42810849 + 2187441 = 6543^2 + 1479^2 .

It is a super-2 number, since 2×44998290² = 4049692205848200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3427 + ... + 10086.

Almost surely, 2^44998290 is an apocalyptic number.

44998290 is an abundant number, since it is smaller than the sum of its proper divisors (75168198).

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

44998290 is a wasteful number, since it uses less digits than its factorization.

44998290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13563 (or 13560 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 44998290 is about 6708.0764754138. The cubic root of 44998290 is about 355.6848249938.

The spelling of 44998290 in words is "forty-four million, nine hundred ninety-eight thousand, two hundred ninety".