2040242002405 has 32 divisors (see below), whose sum is σ = 2478933784800. Its totient is φ = 1611901009920.

The previous prime is 2040242002373. The next prime is 2040242002451. The reversal of 2040242002405 is 5042002420402.

It can be written as a sum of positive squares in 16 ways, for example, as 1353143583009 + 687098419396 = 1163247^2 + 828914^2 .

It is not a de Polignac number, because 2040242002405 - 2⁵ = 2040242002373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040242002405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350976279 + ... + 350982091.

It is an arithmetic number, because the mean of its divisors is an integer number (77466680775).

Almost surely, 2^{2040242002405} is an apocalyptic number.

It is an amenable number.

2040242002405 is a deficient number, since it is larger than the sum of its proper divisors (438691782395).

2040242002405 is a wasteful number, since it uses less digits than its factorization.

2040242002405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8601.

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 2040242002405 its reverse (5042002420402), we get a palindrome (7082244422807).

The spelling of 2040242002405 in words is "two trillion, forty billion, two hundred forty-two million, two thousand, four hundred five".