405142140515 has 32 divisors (see below), whose sum is σ = 561855688704. Its totient is φ = 274705292160.

The previous prime is 405142140509. The next prime is 405142140541. The reversal of 405142140515 is 515041241504.

It is a happy number.

It is not a de Polignac number, because 405142140515 - 2⁴ = 405142140499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1926062 + ... + 2126028.

It is an arithmetic number, because the mean of its divisors is an integer number (17557990272).

Almost surely, 2^405142140515 is an apocalyptic number.

405142140515 is a deficient number, since it is larger than the sum of its proper divisors (156713548189).

405142140515 is a wasteful number, since it uses less digits than its factorization.

405142140515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200627.

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 405142140515 in words is "four hundred five billion, one hundred forty-two million, one hundred forty thousand, five hundred fifteen".