42018525368 has 8 divisors (see below), whose sum is σ = 78784735080. Its totient is φ = 21009262680.

The previous prime is 42018525359. The next prime is 42018525383. The reversal of 42018525368 is 86352581024.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626157828 + ... + 2626157843.

It is an arithmetic number, because the mean of its divisors is an integer number (9848091885).

Almost surely, 2^42018525368 is an apocalyptic number.

It is an amenable number.

42018525368 is a deficient number, since it is larger than the sum of its proper divisors (36766209712).

42018525368 is a wasteful number, since it uses less digits than its factorization.

42018525368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252315677 (or 5252315673 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 42018525368 in words is "forty-two billion, eighteen million, five hundred twenty-five thousand, three hundred sixty-eight".