472406145561 has 24 divisors (see below), whose sum is σ = 779943827520. Its totient is φ = 269912182176.

The previous prime is 472406145529. The next prime is 472406145637. The reversal of 472406145561 is 165541604274.

472406145561 is a `hidden beast` number, since 4 + 7 + 2 + 40 + 6 + 1 + 45 + 561 = 666.

It is not a de Polignac number, because 472406145561 - 2⁵ = 472406145529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (472406141561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30835 + ... + 972503.

It is an arithmetic number, because the mean of its divisors is an integer number (32497659480).

Almost surely, 2^472406145561 is an apocalyptic number.

It is an amenable number.

472406145561 is a deficient number, since it is larger than the sum of its proper divisors (307537681959).

472406145561 is a wasteful number, since it uses less digits than its factorization.

472406145561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949645 (or 949642 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 472406145561 in words is "four hundred seventy-two billion, four hundred six million, one hundred forty-five thousand, five hundred sixty-one".