2040518542040 has 128 divisors (see below), whose sum is σ = 5311987153920. Its totient is φ = 698110195200.

The previous prime is 2040518542039. The next prime is 2040518542057. The reversal of 2040518542040 is 402458150402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1035404 + ... + 2270043.

It is an arithmetic number, because the mean of its divisors is an integer number (41499899640).

Almost surely, 2^{2040518542040} is an apocalyptic number.

2040518542040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040518542040 is an abundant number, since it is smaller than the sum of its proper divisors (3271468611880).

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

2040518542040 is a wasteful number, since it uses less digits than its factorization.

2040518542040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305553 (or 3305549 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

The spelling of 2040518542040 in words is "two trillion, forty billion, five hundred eighteen million, five hundred forty-two thousand, forty".