519038420 has 12 divisors (see below), whose sum is σ = 1089980724. Its totient is φ = 207615360.

The previous prime is 519038419. The next prime is 519038449. The reversal of 519038420 is 24830915.

It can be written as a sum of positive squares in 2 ways, for example, as 296252944 + 222785476 = 17212^2 + 14926^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12975941 + ... + 12975980.

It is an arithmetic number, because the mean of its divisors is an integer number (90831727).

Almost surely, 2^519038420 is an apocalyptic number.

It is an amenable number.

519038420 is an abundant number, since it is smaller than the sum of its proper divisors (570942304).

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

519038420 is a wasteful number, since it uses less digits than its factorization.

519038420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25951930 (or 25951928 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 519038420 is about 22782.4147095956. The cubic root of 519038420 is about 803.6491728624.

The spelling of 519038420 in words is "five hundred nineteen million, thirty-eight thousand, four hundred twenty".