4278812742 has 16 divisors (see below), whose sum is σ = 9508472880. Its totient is φ = 1426270896.

The previous prime is 4278812717. The next prime is 4278812771. The reversal of 4278812742 is 2472188724.

It is a super-2 number, since 2×4278812742² = 36616476962203117128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 39618583 + ... + 39618690.

It is an arithmetic number, because the mean of its divisors is an integer number (594279555).

Almost surely, 2^4278812742 is an apocalyptic number.

4278812742 is an abundant number, since it is smaller than the sum of its proper divisors (5229660138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4278812742 is a wasteful number, since it uses less digits than its factorization.

4278812742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79237284 (or 79237278 counting only the distinct ones).

The product of its digits is 401408, while the sum is 45.

The square root of 4278812742 is about 65412.6344217996. The cubic root of 4278812742 is about 1623.4581341011.

The spelling of 4278812742 in words is "four billion, two hundred seventy-eight million, eight hundred twelve thousand, seven hundred forty-two".