519901420 has 12 divisors (see below), whose sum is σ = 1091793024. Its totient is φ = 207960560.

The previous prime is 519901409. The next prime is 519901457. The reversal of 519901420 is 24109915.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12997516 + ... + 12997555.

It is an arithmetic number, because the mean of its divisors is an integer number (90982752).

Almost surely, 2^519901420 is an apocalyptic number.

It is an amenable number.

519901420 is an abundant number, since it is smaller than the sum of its proper divisors (571891604).

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

519901420 is a wasteful number, since it uses less digits than its factorization.

519901420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25995080 (or 25995078 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 519901420 is about 22801.3468900414. The cubic root of 519901420 is about 804.0943327184.

The spelling of 519901420 in words is "five hundred nineteen million, nine hundred one thousand, four hundred twenty".