518094432 has 144 divisors (see below), whose sum is σ = 1573331760. Its totient is φ = 161243136.

The previous prime is 518094427. The next prime is 518094433. The reversal of 518094432 is 234490815.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518094433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 398808 + ... + 400104.

It is an arithmetic number, because the mean of its divisors is an integer number (10925915).

Almost surely, 2^518094432 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 518094432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786665880).

518094432 is an abundant number, since it is smaller than the sum of its proper divisors (1055237328).

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

518094432 is a wasteful number, since it uses less digits than its factorization.

518094432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405 (or 1394 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 518094432 is about 22761.6878108808. The cubic root of 518094432 is about 803.1616716630.

The spelling of 518094432 in words is "five hundred eighteen million, ninety-four thousand, four hundred thirty-two".