7944194252 has 12 divisors (see below), whose sum is σ = 14025370296. Its totient is φ = 3936945600.

The previous prime is 7944194243. The next prime is 7944194287. The reversal of 7944194252 is 2524914497.

It is a happy number.

It is a super-2 number, since 2×7944194252² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7944194197 and 7944194206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8787374 + ... + 8788277.

It is an arithmetic number, because the mean of its divisors is an integer number (1168780858).

Almost surely, 2^7944194252 is an apocalyptic number.

It is an amenable number.

7944194252 is a deficient number, since it is larger than the sum of its proper divisors (6081176044).

7944194252 is a wasteful number, since it uses less digits than its factorization.

7944194252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17575768 (or 17575766 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 7944194252 is about 89130.2095363856. The cubic root of 7944194252 is about 1995.3386654201.

The spelling of 7944194252 in words is "seven billion, nine hundred forty-four million, one hundred ninety-four thousand, two hundred fifty-two".