406572188225 has 12 divisors (see below), whose sum is σ = 576170872704. Its totient is φ = 278792357520.

The previous prime is 406572188221. The next prime is 406572188261. The reversal of 406572188225 is 522881275604.

It is not a de Polignac number, because 406572188225 - 2² = 406572188221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406572188221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1161634649 + ... + 1161634998.

It is an arithmetic number, because the mean of its divisors is an integer number (48014239392).

Almost surely, 2^406572188225 is an apocalyptic number.

It is an amenable number.

406572188225 is a deficient number, since it is larger than the sum of its proper divisors (169598684479).

406572188225 is a wasteful number, since it uses less digits than its factorization.

406572188225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323269664 (or 2323269659 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 406572188225 in words is "four hundred six billion, five hundred seventy-two million, one hundred eighty-eight thousand, two hundred twenty-five".