409160985438 has 16 divisors (see below), whose sum is σ = 829531861776. Its totient is φ = 134518680000.

The previous prime is 409160985421. The next prime is 409160985439. The reversal of 409160985438 is 834589061904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409160985439) 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 7 ways as a sum of consecutive naturals, for example, 467078313 + ... + 467079188.

It is an arithmetic number, because the mean of its divisors is an integer number (51845741361).

Almost surely, 2^409160985438 is an apocalyptic number.

409160985438 is an abundant number, since it is smaller than the sum of its proper divisors (420370876338).

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

409160985438 is a wasteful number, since it uses less digits than its factorization.

409160985438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934157579.

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 409160985438 in words is "four hundred nine billion, one hundred sixty million, nine hundred eighty-five thousand, four hundred thirty-eight".