8400944125 has 16 divisors (see below), whose sum is σ = 11982147840. Its totient is φ = 5760646800.

The previous prime is 8400944113. The next prime is 8400944161. The reversal of 8400944125 is 5214490048.

It is not a de Polignac number, because 8400944125 - 2⁵ = 8400944093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4799665 + ... + 4801414.

It is an arithmetic number, because the mean of its divisors is an integer number (748884240).

Almost surely, 2^8400944125 is an apocalyptic number.

It is an amenable number.

8400944125 is a deficient number, since it is larger than the sum of its proper divisors (3581203715).

8400944125 is an equidigital number, since it uses as much as digits as its factorization.

8400944125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9601101 (or 9601091 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 8400944125 is about 91656.6643785382. The cubic root of 8400944125 is about 2032.8688699202.

The spelling of 8400944125 in words is "eight billion, four hundred million, nine hundred forty-four thousand, one hundred twenty-five".