2542505266628 has 12 divisors (see below), whose sum is σ = 4450311398400. Its totient is φ = 1270987724232.

The previous prime is 2542505266603. The next prime is 2542505266669. The reversal of 2542505266628 is 8266625052452.

It is a super-2 number, since 2×2542505266628² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2542505266628.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66205676 + ... + 66244067.

It is an arithmetic number, because the mean of its divisors is an integer number (370859283200).

Almost surely, 2^{2542505266628} is an apocalyptic number.

It is an amenable number.

2542505266628 is a deficient number, since it is larger than the sum of its proper divisors (1907806131772).

2542505266628 is a wasteful number, since it uses less digits than its factorization.

2542505266628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132454546 (or 132454544 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 53.

The spelling of 2542505266628 in words is "two trillion, five hundred forty-two billion, five hundred five million, two hundred sixty-six thousand, six hundred twenty-eight".