2566103043240 has 96 divisors (see below), whose sum is σ = 9098001712800. Its totient is φ = 622085585280.

The previous prime is 2566103043209. The next prime is 2566103043289. The reversal of 2566103043240 is 423403016652.

2566103043240 is a `hidden beast` number, since 2 + 5 + 6 + 610 + 3 + 0 + 4 + 32 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2566103043195 and 2566103043204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323998950 + ... + 324006869.

It is an arithmetic number, because the mean of its divisors is an integer number (94770851175).

Almost surely, 2^{2566103043240} is an apocalyptic number.

2566103043240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2566103043240 is an abundant number, since it is smaller than the sum of its proper divisors (6531898669560).

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

2566103043240 is a wasteful number, since it uses less digits than its factorization.

2566103043240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648005847 (or 648005840 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 2566103043240 its reverse (423403016652), we get a palindrome (2989506059892).

The spelling of 2566103043240 in words is "two trillion, five hundred sixty-six billion, one hundred three million, forty-three thousand, two hundred forty".