2040402434121 has 64 divisors (see below), whose sum is σ = 3118089331200. Its totient is φ = 1317728176128.

The previous prime is 2040402434033. The next prime is 2040402434123. The reversal of 2040402434121 is 1214342040402.

2040402434121 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 4 + 0 + 243 + 412 + 1 = 666.

It is not a de Polignac number, because 2040402434121 - 2¹⁴ = 2040402417737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2040402434123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 305491860 + ... + 305498538.

It is an arithmetic number, because the mean of its divisors is an integer number (48720145800).

Almost surely, 2^{2040402434121} is an apocalyptic number.

It is an amenable number.

2040402434121 is a deficient number, since it is larger than the sum of its proper divisors (1077686897079).

2040402434121 is a wasteful number, since it uses less digits than its factorization.

2040402434121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8015 (or 8009 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 2040402434121 its reverse (1214342040402), we get a palindrome (3254744474523).

The spelling of 2040402434121 in words is "two trillion, forty billion, four hundred two million, four hundred thirty-four thousand, one hundred twenty-one".