2405401553 has 16 divisors (see below), whose sum is σ = 2622850560. Its totient is φ = 2197069056.

The previous prime is 2405401513. The next prime is 2405401591. The reversal of 2405401553 is 3551045042.

It is a cyclic number.

It is not a de Polignac number, because 2405401553 - 2¹⁸ = 2405139409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2405401513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104288 + ... + 125246.

It is an arithmetic number, because the mean of its divisors is an integer number (163928160).

Almost surely, 2^2405401553 is an apocalyptic number.

It is an amenable number.

2405401553 is a deficient number, since it is larger than the sum of its proper divisors (217449007).

2405401553 is a wasteful number, since it uses less digits than its factorization.

2405401553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21176.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2405401553 is about 49044.8932407850. The cubic root of 2405401553 is about 1339.8695857709.

Adding to 2405401553 its reverse (3551045042), we get a palindrome (5956446595).

The spelling of 2405401553 in words is "two billion, four hundred five million, four hundred one thousand, five hundred fifty-three".