515436042 has 24 divisors (see below), whose sum is σ = 1133108928. Its totient is φ = 156192520.

The previous prime is 515436023. The next prime is 515436043. The reversal of 515436042 is 240634515.

It is not an unprimeable number, because it can be changed into a prime (515436043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354258 + ... + 355709.

It is an arithmetic number, because the mean of its divisors is an integer number (47212872).

Almost surely, 2^515436042 is an apocalyptic number.

515436042 is an abundant number, since it is smaller than the sum of its proper divisors (617672886).

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

515436042 is a wasteful number, since it uses less digits than its factorization.

515436042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709994 (or 709983 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 515436042 is about 22703.2165562503. The cubic root of 515436042 is about 801.7856167093.

The spelling of 515436042 in words is "five hundred fifteen million, four hundred thirty-six thousand, forty-two".