8400416725 has 12 divisors (see below), whose sum is σ = 10418199264. Its totient is φ = 6719247920.

The previous prime is 8400416699. The next prime is 8400416729. The reversal of 8400416725 is 5276140048.

It is not a de Polignac number, because 8400416725 - 2³¹ = 6252933077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8400416729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154602 + ... + 201748.

It is an arithmetic number, because the mean of its divisors is an integer number (868183272).

Almost surely, 2^8400416725 is an apocalyptic number.

It is an amenable number.

8400416725 is a deficient number, since it is larger than the sum of its proper divisors (2017782539).

8400416725 is a wasteful number, since it uses less digits than its factorization.

8400416725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54284 (or 54279 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 8400416725 is about 91653.7872921790. The cubic root of 8400416725 is about 2032.8263287700.

The spelling of 8400416725 in words is "eight billion, four hundred million, four hundred sixteen thousand, seven hundred twenty-five".