2043421404 has 48 divisors (see below), whose sum is σ = 4889187072. Its totient is φ = 663892992.

The previous prime is 2043421381. The next prime is 2043421433. The reversal of 2043421404 is 4041243402.

It is a happy number.

It is a congruent number.

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, 255612 + ... + 263484.

It is an arithmetic number, because the mean of its divisors is an integer number (101858064).

Almost surely, 2^2043421404 is an apocalyptic number.

It is an amenable number.

2043421404 is an abundant number, since it is smaller than the sum of its proper divisors (2845765668).

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

2043421404 is a wasteful number, since it uses less digits than its factorization.

2043421404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8426 (or 8424 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2043421404 is about 45204.2188739060. The cubic root of 2043421404 is about 1268.9737724194.

Adding to 2043421404 its reverse (4041243402), we get a palindrome (6084664806).

The spelling of 2043421404 in words is "two billion, forty-three million, four hundred twenty-one thousand, four hundred four".