2040004315540 has 48 divisors (see below), whose sum is σ = 4295359059264. Its totient is φ = 813841862400.

The previous prime is 2040004315507. The next prime is 2040004315543. The reversal of 2040004315540 is 455134000402.

It is a super-4 number, since 4×2040004315540⁴ (a number of 50 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2040004315499 and 2040004315508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040004315543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16209055 + ... + 16334425.

It is an arithmetic number, because the mean of its divisors is an integer number (89486647068).

Almost surely, 2^{2040004315540} is an apocalyptic number.

2040004315540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040004315540 is an abundant number, since it is smaller than the sum of its proper divisors (2255354743724).

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

2040004315540 is a wasteful number, since it uses less digits than its factorization.

2040004315540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127528 (or 127526 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 2040004315540 its reverse (455134000402), we get a palindrome (2495138315942).

The spelling of 2040004315540 in words is "two trillion, forty billion, four million, three hundred fifteen thousand, five hundred forty".