2421998404 has 24 divisors (see below), whose sum is σ = 4845505280. Its totient is φ = 1037676096.

The previous prime is 2421998387. The next prime is 2421998437. The reversal of 2421998404 is 4048991242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92752 + ... + 115960.

Almost surely, 2^2421998404 is an apocalyptic number.

It is an amenable number.

2421998404 is an abundant number, since it is smaller than the sum of its proper divisors (2423506876).

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

2421998404 is a wasteful number, since it uses less digits than its factorization.

2421998404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26947 (or 26945 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 2421998404 is about 49213.8029824967. The cubic root of 2421998404 is about 1342.9441473797.

The spelling of 2421998404 in words is "two billion, four hundred twenty-one million, nine hundred ninety-eight thousand, four hundred four".