400412002574555 has 32 divisors (see below), whose sum is σ = 482875171504128. Its totient is φ = 318745673769600.

The previous prime is 400412002574513. The next prime is 400412002574569. The reversal of 400412002574555 is 555475200214004.

It is a de Polignac number, because none of the positive numbers 2^k-400412002574555 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, 6397246310 + ... + 6397308900.

It is an arithmetic number, because the mean of its divisors is an integer number (15089849109504).

Almost surely, 2^{400412002574555} is an apocalyptic number.

400412002574555 is a deficient number, since it is larger than the sum of its proper divisors (82463168929573).

400412002574555 is a wasteful number, since it uses less digits than its factorization.

400412002574555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68987.

The product of its (nonzero) digits is 1120000, while the sum is 44.

Adding to 400412002574555 its reverse (555475200214004), we get a palindrome (955887202788559).

The spelling of 400412002574555 in words is "four hundred trillion, four hundred twelve billion, two million, five hundred seventy-four thousand, five hundred fifty-five".