9926144248 has 16 divisors (see below), whose sum is σ = 18803393280. Its totient is φ = 4911906048.

The previous prime is 9926144237. The next prime is 9926144251. The reversal of 9926144248 is 8424416299.

It is a happy number.

It is a congruent number.

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, 6394936 + ... + 6396487.

It is an arithmetic number, because the mean of its divisors is an integer number (1175212080).

Almost surely, 2^9926144248 is an apocalyptic number.

It is an amenable number.

9926144248 is a deficient number, since it is larger than the sum of its proper divisors (8877249032).

9926144248 is a wasteful number, since it uses less digits than its factorization.

9926144248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12791526 (or 12791522 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 9926144248 is about 99630.0368764360. The cubic root of 9926144248 is about 2149.1176655685.

The spelling of 9926144248 in words is "nine billion, nine hundred twenty-six million, one hundred forty-four thousand, two hundred forty-eight".