42278758384 has 20 divisors (see below), whose sum is σ = 81939498840. Its totient is φ = 21133081280.

The previous prime is 42278758369. The next prime is 42278758387. The reversal of 42278758384 is 48385787224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42278758387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337999 + ... + 445870.

It is an arithmetic number, because the mean of its divisors is an integer number (4096974942).

Almost surely, 2^42278758384 is an apocalyptic number.

It is an amenable number.

42278758384 is a deficient number, since it is larger than the sum of its proper divisors (39660740456).

42278758384 is a wasteful number, since it uses less digits than its factorization.

42278758384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787248 (or 787242 counting only the distinct ones).

The product of its digits is 24084480, while the sum is 58.

The spelling of 42278758384 in words is "forty-two billion, two hundred seventy-eight million, seven hundred fifty-eight thousand, three hundred eighty-four".