2040451205 has 16 divisors (see below), whose sum is σ = 2642114160. Its totient is φ = 1503810048.

The previous prime is 2040451199. The next prime is 2040451253. The reversal of 2040451205 is 5021540402.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 118417924 + 1922033281 = 10882^2 + 43841^2 .

It is not a de Polignac number, because 2040451205 - 2⁸ = 2040450949 is a prime.

It is a super-2 number, since 2×2040451205² = 8326882239971904050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2249 + ... + 63921.

It is an arithmetic number, because the mean of its divisors is an integer number (165132135).

Almost surely, 2^2040451205 is an apocalyptic number.

It is an amenable number.

2040451205 is a deficient number, since it is larger than the sum of its proper divisors (601662955).

2040451205 is a wasteful number, since it uses less digits than its factorization.

2040451205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62200.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2040451205 is about 45171.3538096878. The cubic root of 2040451205 is about 1268.3586386895.

Adding to 2040451205 its reverse (5021540402), we get a palindrome (7061991607).

The spelling of 2040451205 in words is "two billion, forty million, four hundred fifty-one thousand, two hundred five".