518940426 has 32 divisors (see below), whose sum is σ = 1117923840. Its totient is φ = 160063344.

The previous prime is 518940391. The next prime is 518940431. The reversal of 518940426 is 624049815.

It is a super-2 number, since 2×518940426² = 538598331474122952, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 48030 + ... + 57833.

It is an arithmetic number, because the mean of its divisors is an integer number (34935120).

Almost surely, 2^518940426 is an apocalyptic number.

518940426 is an abundant number, since it is smaller than the sum of its proper divisors (598983414).

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

518940426 is a wasteful number, since it uses less digits than its factorization.

518940426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105930.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 518940426 is about 22780.2639580844. The cubic root of 518940426 is about 803.5985935920.

The spelling of 518940426 in words is "five hundred eighteen million, nine hundred forty thousand, four hundred twenty-six".