2542782550826 has 16 divisors (see below), whose sum is σ = 4359923741184. Its totient is φ = 1089546965424.

The previous prime is 2542782550807. The next prime is 2542782550831. The reversal of 2542782550826 is 6280552872452.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18009245 + ... + 18149888.

It is an arithmetic number, because the mean of its divisors is an integer number (272495233824).

Almost surely, 2^{2542782550826} is an apocalyptic number.

2542782550826 is a deficient number, since it is larger than the sum of its proper divisors (1817141190358).

2542782550826 is a wasteful number, since it uses less digits than its factorization.

2542782550826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36164165.

The product of its (nonzero) digits is 21504000, while the sum is 56.

The spelling of 2542782550826 in words is "two trillion, five hundred forty-two billion, seven hundred eighty-two million, five hundred fifty thousand, eight hundred twenty-six".