8265495420 has 288 divisors, whose sum is σ = 32215579200. Its totient is φ = 1743856128.

The previous prime is 8265495419. The next prime is 8265495431. The reversal of 8265495420 is 245945628.

8265495420 is a `hidden beast` number, since 8 + 2 + 65 + 49 + 542 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 331966 + ... + 355994.

It is an arithmetic number, because the mean of its divisors is an integer number (111859650).

Almost surely, 2^8265495420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8265495420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16107789600).

8265495420 is an abundant number, since it is smaller than the sum of its proper divisors (23950083780).

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

8265495420 is a wasteful number, since it uses less digits than its factorization.

8265495420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24074 (or 24059 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 8265495420 is about 90914.7700871536. The cubic root of 8265495420 is about 2021.8842839853.

The spelling of 8265495420 in words is "eight billion, two hundred sixty-five million, four hundred ninety-five thousand, four hundred twenty".