409487880 has 64 divisors (see below), whose sum is σ = 1261679040. Its totient is φ = 106244352.

The previous prime is 409487873. The next prime is 409487893. The reversal of 409487880 is 88784904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41674 + ... + 50553.

It is an arithmetic number, because the mean of its divisors is an integer number (19713735).

Almost surely, 2^409487880 is an apocalyptic number.

409487880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

409487880 is an abundant number, since it is smaller than the sum of its proper divisors (852191160).

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

409487880 is a wasteful number, since it uses less digits than its factorization.

409487880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92278 (or 92274 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 409487880 is about 20235.8068779083. The cubic root of 409487880 is about 742.5864448322.

It can be divided in two parts, 40948 and 7880, that added together give a triangular number (48828 = T₃₁₂).

The spelling of 409487880 in words is "four hundred nine million, four hundred eighty-seven thousand, eight hundred eighty".