2040452406 has 48 divisors (see below), whose sum is σ = 4700288736. Its totient is φ = 638297088.

The previous prime is 2040452363. The next prime is 2040452467. The reversal of 2040452406 is 6042540402.

2040452406 is a `hidden beast` number, since 204 + 0 + 4 + 52 + 406 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2040452406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24555 + ... + 68438.

It is an arithmetic number, because the mean of its divisors is an integer number (97922682).

Almost surely, 2^2040452406 is an apocalyptic number.

2040452406 is an abundant number, since it is smaller than the sum of its proper divisors (2659836330).

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

2040452406 is a wasteful number, since it uses less digits than its factorization.

2040452406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93077 (or 93074 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2040452406 is about 45171.3671035093. The cubic root of 2040452406 is about 1268.3588875394.

Adding to 2040452406 its reverse (6042540402), we get a palindrome (8082992808).

The spelling of 2040452406 in words is "two billion, forty million, four hundred fifty-two thousand, four hundred six".