42251112378 has 64 divisors (see below), whose sum is σ = 98013369600. Its totient is φ = 13465900800.

The previous prime is 42251112331. The next prime is 42251112389. The reversal of 42251112378 is 87321115224.

42251112378 is a `hidden beast` number, since 422 + 51 + 112 + 3 + 78 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3980278 + ... + 3990878.

It is an arithmetic number, because the mean of its divisors is an integer number (1531458900).

Almost surely, 2^42251112378 is an apocalyptic number.

42251112378 is an abundant number, since it is smaller than the sum of its proper divisors (55762257222).

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

42251112378 is a wasteful number, since it uses less digits than its factorization.

42251112378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13844 (or 13838 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The spelling of 42251112378 in words is "forty-two billion, two hundred fifty-one million, one hundred twelve thousand, three hundred seventy-eight".