9940112447 has 16 divisors (see below), whose sum is σ = 10733990400. Its totient is φ = 9173972160.

The previous prime is 9940112417. The next prime is 9940112477. The reversal of 9940112447 is 7442110499.

It is an interprime number because it is at equal distance from previous prime (9940112417) and next prime (9940112477).

It is not a de Polignac number, because 9940112447 - 2⁶ = 9940112383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9940112417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551228 + ... + 568974.

It is an arithmetic number, because the mean of its divisors is an integer number (670874400).

Almost surely, 2^9940112447 is an apocalyptic number.

9940112447 is a deficient number, since it is larger than the sum of its proper divisors (793877953).

9940112447 is a wasteful number, since it uses less digits than its factorization.

9940112447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18526.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 9940112447 is about 99700.1125726546. The cubic root of 9940112447 is about 2150.1252818289.

The spelling of 9940112447 in words is "nine billion, nine hundred forty million, one hundred twelve thousand, four hundred forty-seven".