512540040415 has 8 divisors (see below), whose sum is σ = 662359436928. Its totient is φ = 378491106720.

The previous prime is 512540040401. The next prime is 512540040437. The reversal of 512540040415 is 514040045215.

It is a happy number.

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

It is not a de Polignac number, because 512540040415 - 2¹⁵ = 512540007647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3942615631 + ... + 3942615760.

It is an arithmetic number, because the mean of its divisors is an integer number (82794929616).

Almost surely, 2^512540040415 is an apocalyptic number.

512540040415 is a deficient number, since it is larger than the sum of its proper divisors (149819396513).

512540040415 is a wasteful number, since it uses less digits than its factorization.

512540040415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885231409.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 512540040415 in words is "five hundred twelve billion, five hundred forty million, forty thousand, four hundred fifteen".