409975352412 has 12 divisors (see below), whose sum is σ = 956609155656. Its totient is φ = 136658450800.

The previous prime is 409975352411. The next prime is 409975352441. The reversal of 409975352412 is 214253579904.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409975352411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17082306339 + ... + 17082306362.

It is an arithmetic number, because the mean of its divisors is an integer number (79717429638).

Almost surely, 2^409975352412 is an apocalyptic number.

It is an amenable number.

409975352412 is an abundant number, since it is smaller than the sum of its proper divisors (546633803244).

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

409975352412 is a wasteful number, since it uses less digits than its factorization.

409975352412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34164612708 (or 34164612706 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 409975352412 in words is "four hundred nine billion, nine hundred seventy-five million, three hundred fifty-two thousand, four hundred twelve".