2442740278 has 16 divisors (see below), whose sum is σ = 4020322896. Its totient is φ = 1103916640.

The previous prime is 2442740239. The next prime is 2442740291. The reversal of 2442740278 is 8720472442.

It is a self number, because there is not a number n which added to its sum of digits gives 2442740278.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317101 + ... + 324712.

It is an arithmetic number, because the mean of its divisors is an integer number (251270181).

Almost surely, 2^2442740278 is an apocalyptic number.

2442740278 is a deficient number, since it is larger than the sum of its proper divisors (1577582618).

2442740278 is a wasteful number, since it uses less digits than its factorization.

2442740278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641999.

The product of its (nonzero) digits is 200704, while the sum is 40.

The square root of 2442740278 is about 49424.0860107701. The cubic root of 2442740278 is about 1346.7668911155.

The spelling of 2442740278 in words is "two billion, four hundred forty-two million, seven hundred forty thousand, two hundred seventy-eight".