2162400403 has 12 divisors (see below), whose sum is σ = 2197988688. Its totient is φ = 2127368880.

The previous prime is 2162400377. The next prime is 2162400413. The reversal of 2162400403 is 3040042612.

It is a happy number.

It is not a de Polignac number, because 2162400403 - 2²⁹ = 1625529491 is a prime.

It is a super-3 number, since 3×2162400403³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2162400413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2627050 + ... + 2627872.

It is an arithmetic number, because the mean of its divisors is an integer number (183165724).

Almost surely, 2^2162400403 is an apocalyptic number.

2162400403 is a deficient number, since it is larger than the sum of its proper divisors (35588285).

2162400403 is an frugal number, since it uses more digits than its factorization.

2162400403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2162400403 is about 46501.6172084370. The cubic root of 2162400403 is about 1293.1394804061.

The spelling of 2162400403 in words is "two billion, one hundred sixty-two million, four hundred thousand, four hundred three".