409054405172 has 24 divisors (see below), whose sum is σ = 825614401920. Its totient is φ = 173700689760.

The previous prime is 409054405171. The next prime is 409054405223. The reversal of 409054405172 is 271504450904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409054405171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67011104 + ... + 67017207.

It is an arithmetic number, because the mean of its divisors is an integer number (34400600080).

Almost surely, 2^409054405172 is an apocalyptic number.

It is an amenable number.

409054405172 is an abundant number, since it is smaller than the sum of its proper divisors (416559996748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

409054405172 is a wasteful number, since it uses less digits than its factorization.

409054405172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134028431 (or 134028429 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 409054405172 in words is "four hundred nine billion, fifty-four million, four hundred five thousand, one hundred seventy-two".