8526409380 has 192 divisors, whose sum is σ = 26902874880. Its totient is φ = 2241727488.

The previous prime is 8526409363. The next prime is 8526409439. The reversal of 8526409380 is 839046258.

8526409380 is a `hidden beast` number, since 8 + 5 + 264 + 0 + 9 + 380 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13818832 + ... + 13819448.

It is an arithmetic number, because the mean of its divisors is an integer number (140119140).

Almost surely, 2^8526409380 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 8526409380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13451437440).

8526409380 is an abundant number, since it is smaller than the sum of its proper divisors (18376465500).

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

8526409380 is a wasteful number, since it uses less digits than its factorization.

8526409380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 8526409380 is about 92338.5584682802. The cubic root of 8526409380 is about 2042.9389732095.

The spelling of 8526409380 in words is "eight billion, five hundred twenty-six million, four hundred nine thousand, three hundred eighty".