944237378068 has 24 divisors (see below), whose sum is σ = 1657959835392. Its totient is φ = 470537222784.

The previous prime is 944237378059. The next prime is 944237378087. The reversal of 944237378068 is 860873732449.

It is a happy number.

It is a super-2 number, since 2×944237378068² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 944237377997 and 944237378015.

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, 1093980 + ... + 1756492.

It is an arithmetic number, because the mean of its divisors is an integer number (69081659808).

Almost surely, 2^944237378068 is an apocalyptic number.

It is an amenable number.

944237378068 is a deficient number, since it is larger than the sum of its proper divisors (713722457324).

944237378068 is a wasteful number, since it uses less digits than its factorization.

944237378068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663711 (or 663709 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 61.

The spelling of 944237378068 in words is "nine hundred forty-four billion, two hundred thirty-seven million, three hundred seventy-eight thousand, sixty-eight".