2542235278 has 16 divisors (see below), whose sum is σ = 4160827440. Its totient is φ = 1155337600.

The previous prime is 2542235263. The next prime is 2542235279. The reversal of 2542235278 is 8725322452.

It is a self number, because there is not a number n which added to its sum of digits gives 2542235278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542235279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170358 + ... + 184678.

It is an arithmetic number, because the mean of its divisors is an integer number (260051715).

Almost surely, 2^2542235278 is an apocalyptic number.

2542235278 is a deficient number, since it is larger than the sum of its proper divisors (1618592162).

2542235278 is a wasteful number, since it uses less digits than its factorization.

2542235278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22403.

The product of its digits is 268800, while the sum is 40.

The square root of 2542235278 is about 50420.5838720656. The cubic root of 2542235278 is about 1364.8091130153.

The spelling of 2542235278 in words is "two billion, five hundred forty-two million, two hundred thirty-five thousand, two hundred seventy-eight".