409533669680 has 20 divisors (see below), whose sum is σ = 952165782192. Its totient is φ = 163813467840.

The previous prime is 409533669679. The next prime is 409533669697. The reversal of 409533669680 is 86966335904.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2559585356 + ... + 2559585515.

Almost surely, 2^409533669680 is an apocalyptic number.

409533669680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

409533669680 is an abundant number, since it is smaller than the sum of its proper divisors (542632112512).

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

409533669680 is a wasteful number, since it uses less digits than its factorization.

409533669680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5119170884 (or 5119170878 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 59.

The spelling of 409533669680 in words is "four hundred nine billion, five hundred thirty-three million, six hundred sixty-nine thousand, six hundred eighty".