2400204401 has 32 divisors (see below), whose sum is σ = 2927232000. Its totient is φ = 1924453440.

The previous prime is 2400204383. The next prime is 2400204403. The reversal of 2400204401 is 1044020042.

It is a de Polignac number, because none of the positive numbers 2^k-2400204401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2400204401.

It is not an unprimeable number, because it can be changed into a prime (2400204403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1142450 + ... + 1144548.

It is an arithmetic number, because the mean of its divisors is an integer number (91476000).

Almost surely, 2^2400204401 is an apocalyptic number.

It is an amenable number.

2400204401 is a deficient number, since it is larger than the sum of its proper divisors (527027599).

2400204401 is a wasteful number, since it uses less digits than its factorization.

2400204401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2400204401 is about 48991.8809702179. The cubic root of 2400204401 is about 1338.9039081866.

Adding to 2400204401 its reverse (1044020042), we get a palindrome (3444224443).

The spelling of 2400204401 in words is "two billion, four hundred million, two hundred four thousand, four hundred one".