505022790 has 32 divisors (see below), whose sum is σ = 1217410560. Its totient is φ = 134077664.

The previous prime is 505022783. The next prime is 505022807. The reversal of 505022790 is 97220505.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30270 + ... + 43889.

It is an arithmetic number, because the mean of its divisors is an integer number (38044080).

Almost surely, 2^505022790 is an apocalyptic number.

505022790 is an abundant number, since it is smaller than the sum of its proper divisors (712387770).

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

505022790 is a wasteful number, since it uses less digits than its factorization.

505022790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74396.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 505022790 is about 22472.7121193682. The cubic root of 505022790 is about 796.3494032264.

The spelling of 505022790 in words is "five hundred five million, twenty-two thousand, seven hundred ninety".