506449790 has 128 divisors (see below), whose sum is σ = 1199923200. Its totient is φ = 152409600.

The previous prime is 506449787. The next prime is 506449819. The reversal of 506449790 is 97944605.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1169414 + ... + 1169846.

It is an arithmetic number, because the mean of its divisors is an integer number (9374400).

Almost surely, 2^506449790 is an apocalyptic number.

506449790 is an abundant number, since it is smaller than the sum of its proper divisors (693473410).

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

506449790 is a wasteful number, since it uses less digits than its factorization.

506449790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 506449790 is about 22504.4393398280. The cubic root of 506449790 is about 797.0987568290.

The spelling of 506449790 in words is "five hundred six million, four hundred forty-nine thousand, seven hundred ninety".