515140026 has 8 divisors (see below), whose sum is σ = 1030280064. Its totient is φ = 171713340.

The previous prime is 515140013. The next prime is 515140063. The reversal of 515140026 is 620041515.

It is a sphenic number, since it is the product of 3 distinct primes.

515140026 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 515139978 and 515140005.

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 3 ways as a sum of consecutive naturals, for example, 42928330 + ... + 42928341.

It is an arithmetic number, because the mean of its divisors is an integer number (128785008).

Almost surely, 2^515140026 is an apocalyptic number.

515140026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

515140026 is a wasteful number, since it uses less digits than its factorization.

515140026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85856676.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 515140026 is about 22696.6963675333. The cubic root of 515140026 is about 801.6320982631.

The spelling of 515140026 in words is "five hundred fifteen million, one hundred forty thousand, twenty-six".