2405004400 has 30 divisors (see below), whose sum is σ = 5778024032. Its totient is φ = 962001600.

The previous prime is 2405004389. The next prime is 2405004419. The reversal of 2405004400 is 44005042.

2405004400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3005856 + ... + 3006655.

Almost surely, 2^2405004400 is an apocalyptic number.

2405004400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2405004400 is an abundant number, since it is smaller than the sum of its proper divisors (3373019632).

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

2405004400 is a wasteful number, since it uses less digits than its factorization.

2405004400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012529 (or 6012518 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2405004400 is about 49040.8442015429. The cubic root of 2405004400 is about 1339.7958402855.

Adding to 2405004400 its reverse (44005042), we get a palindrome (2449009442).

The spelling of 2405004400 in words is "two billion, four hundred five million, four thousand, four hundred".