842518372 has 12 divisors (see below), whose sum is σ = 1521968896. Its totient is φ = 407670120.

The previous prime is 842518361. The next prime is 842518409. The reversal of 842518372 is 273815248.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3397128 + ... + 3397375.

Almost surely, 2^842518372 is an apocalyptic number.

It is an amenable number.

842518372 is a deficient number, since it is larger than the sum of its proper divisors (679450524).

842518372 is a wasteful number, since it uses less digits than its factorization.

842518372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6794538 (or 6794536 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 842518372 is about 29026.1670221888. The cubic root of 842518372 is about 944.4807845497.

The spelling of 842518372 in words is "eight hundred forty-two million, five hundred eighteen thousand, three hundred seventy-two".