504455790 has 64 divisors (see below), whose sum is σ = 1311780096. Its totient is φ = 123658752.

The previous prime is 504455789. The next prime is 504455821. The reversal of 504455790 is 97554405.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10429 + ... + 33431.

It is an arithmetic number, because the mean of its divisors is an integer number (20496564).

Almost surely, 2^504455790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504455790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655890048).

504455790 is an abundant number, since it is smaller than the sum of its proper divisors (807324306).

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

504455790 is a wasteful number, since it uses less digits than its factorization.

504455790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23073.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 504455790 is about 22460.0932767431. The cubic root of 504455790 is about 796.0512653952.

The spelling of 504455790 in words is "five hundred four million, four hundred fifty-five thousand, seven hundred ninety".