409426371045 has 12 divisors (see below), whose sum is σ = 709672376556. Its totient is φ = 218360731200.

The previous prime is 409426371017. The next prime is 409426371047. The reversal of 409426371045 is 540173624904.

409426371045 is a `hidden beast` number, since 4 + 0 + 9 + 4 + 2 + 637 + 1 + 0 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 259253070561 + 150173300484 = 509169^2 + 387522^2 .

It is not a de Polignac number, because 409426371045 - 2²⁷ = 409292153317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 9098363801 = 409426371045 / (4 + 0 + 9 + 4 + 2 + 6 + 3 + 7 + 1 + 0 + 4 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409426371047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4549181856 + ... + 4549181945.

It is an arithmetic number, because the mean of its divisors is an integer number (59139364713).

Almost surely, 2^409426371045 is an apocalyptic number.

409426371045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

409426371045 is a deficient number, since it is larger than the sum of its proper divisors (300246005511).

409426371045 is a wasteful number, since it uses less digits than its factorization.

409426371045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9098363812 (or 9098363809 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

Adding to 409426371045 its reverse (540173624904), we get a palindrome (949599995949).

The spelling of 409426371045 in words is "four hundred nine billion, four hundred twenty-six million, three hundred seventy-one thousand, forty-five".