519149018220 has 96 divisors (see below), whose sum is σ = 1670455428096. Its totient is φ = 118007020800.

The previous prime is 519149018209. The next prime is 519149018261. The reversal of 519149018220 is 22810941915.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3338536 + ... + 3490575.

It is an arithmetic number, because the mean of its divisors is an integer number (17400577376).

Almost surely, 2^519149018220 is an apocalyptic number.

It is an amenable number.

519149018220 is an abundant number, since it is smaller than the sum of its proper divisors (1151306409876).

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

519149018220 is a wasteful number, since it uses less digits than its factorization.

519149018220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6829311 (or 6829309 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 519149018220 in words is "five hundred nineteen billion, one hundred forty-nine million, eighteen thousand, two hundred twenty".