520498742 has 24 divisors (see below), whose sum is σ = 810979128. Its totient is φ = 250534560.

The previous prime is 520498739. The next prime is 520498793. The reversal of 520498742 is 247894025.

It is a self number, because there is not a number n which added to its sum of digits gives 520498742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435698 + ... + 436890.

It is an arithmetic number, because the mean of its divisors is an integer number (33790797).

Almost surely, 2^520498742 is an apocalyptic number.

520498742 is a deficient number, since it is larger than the sum of its proper divisors (290480386).

520498742 is a wasteful number, since it uses less digits than its factorization.

520498742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484 (or 1453 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 520498742 is about 22814.4415228600. The cubic root of 520498742 is about 804.4021599279.

The spelling of 520498742 in words is "five hundred twenty million, four hundred ninety-eight thousand, seven hundred forty-two".