8425207494 has 192 divisors, whose sum is σ = 21303152640. Its totient is φ = 2464862400.

The previous prime is 8425207489. The next prime is 8425207501. The reversal of 8425207494 is 4947025248.

8425207494 is a `hidden beast` number, since 84 + 2 + 520 + 7 + 49 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44110939 + ... + 44111129.

It is an arithmetic number, because the mean of its divisors is an integer number (110953920).

Almost surely, 2^8425207494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8425207494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10651576320).

8425207494 is an abundant number, since it is smaller than the sum of its proper divisors (12877945146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8425207494 is a wasteful number, since it uses less digits than its factorization.

8425207494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 8425207494 is about 91788.9290383105. The cubic root of 8425207494 is about 2034.8240802395.

The spelling of 8425207494 in words is "eight billion, four hundred twenty-five million, two hundred seven thousand, four hundred ninety-four".