409073980 has 24 divisors (see below), whose sum is σ = 981777888. Its totient is φ = 140253888.

The previous prime is 409073911. The next prime is 409073983. The reversal of 409073980 is 89370904.

It is a super-2 number, since 2×409073980² = 334683042226080800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409073983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460839 + ... + 1461118.

It is an arithmetic number, because the mean of its divisors is an integer number (40907412).

Almost surely, 2^409073980 is an apocalyptic number.

It is an amenable number.

409073980 is an abundant number, since it is smaller than the sum of its proper divisors (572703908).

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

409073980 is a wasteful number, since it uses less digits than its factorization.

409073980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921973 (or 2921971 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 409073980 is about 20225.5773712396. The cubic root of 409073980 is about 742.3361646174.

The spelling of 409073980 in words is "four hundred nine million, seventy-three thousand, nine hundred eighty".