400152627515 has 4 divisors (see below), whose sum is σ = 480183153024. Its totient is φ = 320122102008.

The previous prime is 400152627509. The next prime is 400152627527. The reversal of 400152627515 is 515726251004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 400152627515 - 2¹⁰ = 400152626491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40015262747 + ... + 40015262756.

It is an arithmetic number, because the mean of its divisors is an integer number (120045788256).

Almost surely, 2^400152627515 is an apocalyptic number.

400152627515 is a deficient number, since it is larger than the sum of its proper divisors (80030525509).

400152627515 is an equidigital number, since it uses as much as digits as its factorization.

400152627515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80030525508.

The product of its (nonzero) digits is 84000, while the sum is 38.

Adding to 400152627515 its reverse (515726251004), we get a palindrome (915878878519).

The spelling of 400152627515 in words is "four hundred billion, one hundred fifty-two million, six hundred twenty-seven thousand, five hundred fifteen".