408405640080 has 160 divisors (see below), whose sum is σ = 1322656773120. Its totient is φ = 104050552320.

The previous prime is 408405640067. The next prime is 408405640121. The reversal of 408405640080 is 80046504804.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4698615 + ... + 4784745.

It is an arithmetic number, because the mean of its divisors is an integer number (8266604832).

Almost surely, 2^408405640080 is an apocalyptic number.

408405640080 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 408405640080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661328386560).

408405640080 is an abundant number, since it is smaller than the sum of its proper divisors (914251133040).

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

408405640080 is a wasteful number, since it uses less digits than its factorization.

408405640080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87029 (or 87023 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The spelling of 408405640080 in words is "four hundred eight billion, four hundred five million, six hundred forty thousand, eighty".