519229940 has 12 divisors (see below), whose sum is σ = 1090382916. Its totient is φ = 207691968.

The previous prime is 519229939. The next prime is 519229969. The reversal of 519229940 is 49922915.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 308283364 + 210946576 = 17558^2 + 14524^2 .

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, 12980729 + ... + 12980768.

It is an arithmetic number, because the mean of its divisors is an integer number (90865243).

Almost surely, 2^519229940 is an apocalyptic number.

It is an amenable number.

519229940 is an abundant number, since it is smaller than the sum of its proper divisors (571152976).

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

519229940 is a wasteful number, since it uses less digits than its factorization.

519229940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25961506 (or 25961504 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 519229940 is about 22786.6175638246. The cubic root of 519229940 is about 803.7480068835.

The spelling of 519229940 in words is "five hundred nineteen million, two hundred twenty-nine thousand, nine hundred forty".