450990790 has 32 divisors (see below), whose sum is σ = 887272704. Its totient is φ = 164305920.

The previous prime is 450990719. The next prime is 450990791. The reversal of 450990790 is 97099054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450990791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37519 + ... + 48058.

It is an arithmetic number, because the mean of its divisors is an integer number (27727272).

Almost surely, 2^450990790 is an apocalyptic number.

450990790 is a deficient number, since it is larger than the sum of its proper divisors (436281914).

450990790 is a wasteful number, since it uses less digits than its factorization.

450990790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85632.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 450990790 is about 21236.5437395071. The cubic root of 450990790 is about 766.8714288189.

The spelling of 450990790 in words is "four hundred fifty million, nine hundred ninety thousand, seven hundred ninety".