409486980 has 48 divisors (see below), whose sum is σ = 1310359680. Its totient is φ = 93596928.

The previous prime is 409486951. The next prime is 409486981. The reversal of 409486980 is 89684904.

It is not an unprimeable number, because it can be changed into a prime (409486981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487065 + ... + 487904.

It is an arithmetic number, because the mean of its divisors is an integer number (27299160).

Almost surely, 2^409486980 is an apocalyptic number.

It is an amenable number.

409486980 is an abundant number, since it is smaller than the sum of its proper divisors (900872700).

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

409486980 is a wasteful number, since it uses less digits than its factorization.

409486980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974988 (or 974986 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 409486980 is about 20235.7846400875. The cubic root of 409486980 is about 742.5859007964.

The spelling of 409486980 in words is "four hundred nine million, four hundred eighty-six thousand, nine hundred eighty".