2162400406 has 4 divisors (see below), whose sum is σ = 3243600612. Its totient is φ = 1081200202.

The previous prime is 2162400377. The next prime is 2162400413. The reversal of 2162400406 is 6040042612.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×2162400406³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540600100 + ... + 540600103.

It is an arithmetic number, because the mean of its divisors is an integer number (810900153).

Almost surely, 2^2162400406 is an apocalyptic number.

2162400406 is a deficient number, since it is larger than the sum of its proper divisors (1081200206).

2162400406 is a wasteful number, since it uses less digits than its factorization.

2162400406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081200205.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2162400406 is about 46501.6172406939. The cubic root of 2162400406 is about 1293.1394810041.

The spelling of 2162400406 in words is "two billion, one hundred sixty-two million, four hundred thousand, four hundred six".