515016040 has 64 divisors (see below), whose sum is σ = 1444728960. Its totient is φ = 160523520.

The previous prime is 515016001. The next prime is 515016041. The reversal of 515016040 is 40610515.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (515016041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80527 + ... + 86686.

It is an arithmetic number, because the mean of its divisors is an integer number (22573890).

Almost surely, 2^515016040 is an apocalyptic number.

It is an amenable number.

515016040 is an abundant number, since it is smaller than the sum of its proper divisors (929712920).

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

515016040 is a wasteful number, since it uses less digits than its factorization.

515016040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167242 (or 167238 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 515016040 is about 22693.9648364934. The cubic root of 515016040 is about 801.5677797430.

Adding to 515016040 its reverse (40610515), we get a palindrome (555626555).

The spelling of 515016040 in words is "five hundred fifteen million, sixteen thousand, forty".