2040200406 has 16 divisors (see below), whose sum is σ = 4533778800. Its totient is φ = 680066784.

The previous prime is 2040200401. The next prime is 2040200429. The reversal of 2040200406 is 6040020402.

2040200406 is a `hidden beast` number, since 20 + 40 + 200 + 406 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040200401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18890691 + ... + 18890798.

It is an arithmetic number, because the mean of its divisors is an integer number (283361175).

Almost surely, 2^2040200406 is an apocalyptic number.

2040200406 is an abundant number, since it is smaller than the sum of its proper divisors (2493578394).

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

2040200406 is a wasteful number, since it uses less digits than its factorization.

2040200406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37781500 (or 37781494 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2040200406 is about 45168.5776397708. The cubic root of 2040200406 is about 1268.3066704269.

Adding to 2040200406 its reverse (6040020402), we get a palindrome (8080220808).

The spelling of 2040200406 in words is "two billion, forty million, two hundred thousand, four hundred six".