409426643080 has 128 divisors (see below), whose sum is σ = 1134039916800. Its totient is φ = 129549007872.

The previous prime is 409426643063. The next prime is 409426643081. The reversal of 409426643080 is 80346624904.

It is a self number, because there is not a number n which added to its sum of digits gives 409426643080.

It is not an unprimeable number, because it can be changed into a prime (409426643081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23006826 + ... + 23024614.

It is an arithmetic number, because the mean of its divisors is an integer number (8859686850).

Almost surely, 2^409426643080 is an apocalyptic number.

409426643080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 409426643080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567019958400).

409426643080 is an abundant number, since it is smaller than the sum of its proper divisors (724613273720).

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

409426643080 is a wasteful number, since it uses less digits than its factorization.

409426643080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24143 (or 24139 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 409426643080 in words is "four hundred nine billion, four hundred twenty-six million, six hundred forty-three thousand, eighty".