408840088840 has 32 divisors (see below), whose sum is σ = 920215160280. Its totient is φ = 163478264832.

The previous prime is 408840088823. The next prime is 408840088903. The reversal of 408840088840 is 48880048804.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 213612201124 + 195227887716 = 462182^2 + 441846^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1690599 + ... + 1917238.

Almost surely, 2^408840088840 is an apocalyptic number.

408840088840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

408840088840 is an abundant number, since it is smaller than the sum of its proper divisors (511375071440).

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

408840088840 is a wasteful number, since it uses less digits than its factorization.

408840088840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610681 (or 3610677 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 52.

The spelling of 408840088840 in words is "four hundred eight billion, eight hundred forty million, eighty-eight thousand, eight hundred forty".