2540355525522 has 32 divisors (see below), whose sum is σ = 5670549480960. Its totient is φ = 842987928240.

The previous prime is 2540355525509. The next prime is 2540355525523. The reversal of 2540355525522 is 2255255530452.

2540355525522 is a `hidden beast` number, since 2 + 5 + 40 + 3 + 5 + 5 + 52 + 552 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (2540355525523) 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, 105466929 + ... + 105491012.

It is an arithmetic number, because the mean of its divisors is an integer number (177204671280).

Almost surely, 2^{2540355525522} is an apocalyptic number.

2540355525522 is an abundant number, since it is smaller than the sum of its proper divisors (3130193955438).

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

2540355525522 is a wasteful number, since it uses less digits than its factorization.

2540355525522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210958175 (or 210958169 counting only the distinct ones).

The product of its (nonzero) digits is 3000000, while the sum is 45.

The spelling of 2540355525522 in words is "two trillion, five hundred forty billion, three hundred fifty-five million, five hundred twenty-five thousand, five hundred twenty-two".