519478380 has 96 divisors (see below), whose sum is σ = 1620964800. Its totient is φ = 138115584.

The previous prime is 519478343. The next prime is 519478397. The reversal of 519478380 is 83874915.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208824 + ... + 211296.

It is an arithmetic number, because the mean of its divisors is an integer number (16885050).

Almost surely, 2^519478380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 519478380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810482400).

519478380 is an abundant number, since it is smaller than the sum of its proper divisors (1101486420).

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

519478380 is a wasteful number, since it uses less digits than its factorization.

519478380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880 (or 2872 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 519478380 is about 22792.0683572158. The cubic root of 519478380 is about 803.8761783029.

The spelling of 519478380 in words is "five hundred nineteen million, four hundred seventy-eight thousand, three hundred eighty".