2542081826 has 32 divisors (see below), whose sum is σ = 4054881600. Its totient is φ = 1193169600.

The previous prime is 2542081823. The next prime is 2542081837. The reversal of 2542081826 is 6281802452.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2542081826.

It is not an unprimeable number, because it can be changed into a prime (2542081823) 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, 568901 + ... + 573351.

It is an arithmetic number, because the mean of its divisors is an integer number (126715050).

Almost surely, 2^2542081826 is an apocalyptic number.

2542081826 is a deficient number, since it is larger than the sum of its proper divisors (1512799774).

2542081826 is a wasteful number, since it uses less digits than its factorization.

2542081826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 2542081826 is about 50419.0621293177. The cubic root of 2542081826 is about 1364.7816520241.

The spelling of 2542081826 in words is "two billion, five hundred forty-two million, eighty-one thousand, eight hundred twenty-six".