44490619 has 2 divisors, whose sum is σ = 44490620. Its totient is φ = 44490618.

The previous prime is 44490587. The next prime is 44490689. The reversal of 44490619 is 91609444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44490619 - 2⁵ = 44490587 is a prime.

It is a super-2 number, since 2×44490619² = 3958830358006322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44490689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22245309 + 22245310.

It is an arithmetic number, because the mean of its divisors is an integer number (22245310).

Almost surely, 2^44490619 is an apocalyptic number.

44490619 is a deficient number, since it is larger than the sum of its proper divisors (1).

44490619 is an equidigital number, since it uses as much as digits as its factorization.

44490619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 44490619 is about 6670.1288593250. The cubic root of 44490619 is about 354.3421500717.

The spelling of 44490619 in words is "forty-four million, four hundred ninety thousand, six hundred nineteen".