408192227255 has 4 divisors (see below), whose sum is σ = 489830672712. Its totient is φ = 326553781800.

The previous prime is 408192227249. The next prime is 408192227263. The reversal of 408192227255 is 552722291804.

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

It is a de Polignac number, because none of the positive numbers 2^k-408192227255 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 3 ways as a sum of consecutive naturals, for example, 40819222721 + ... + 40819222730.

It is an arithmetic number, because the mean of its divisors is an integer number (122457668178).

Almost surely, 2^408192227255 is an apocalyptic number.

408192227255 is a deficient number, since it is larger than the sum of its proper divisors (81638445457).

408192227255 is an equidigital number, since it uses as much as digits as its factorization.

408192227255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81638445456.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 408192227255 in words is "four hundred eight billion, one hundred ninety-two million, two hundred twenty-seven thousand, two hundred fifty-five".