8390521152 has 84 divisors (see below), whose sum is σ = 25899930420. Its totient is φ = 2581696512.

The previous prime is 8390521129. The next prime is 8390521171. The reversal of 8390521152 is 2511250938.

8390521152 is a `hidden beast` number, since 8 + 390 + 5 + 211 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 337971456 + 8052549696 = 18384^2 + 89736^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 552777 + ... + 567752.

It is an arithmetic number, because the mean of its divisors is an integer number (308332505).

Almost surely, 2^8390521152 is an apocalyptic number.

It is an amenable number.

8390521152 is an abundant number, since it is smaller than the sum of its proper divisors (17509409268).

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

8390521152 is a wasteful number, since it uses less digits than its factorization.

8390521152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120560 (or 1120547 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 8390521152 is about 91599.7879473528. The cubic root of 8390521152 is about 2032.0278015086.

The spelling of 8390521152 in words is "eight billion, three hundred ninety million, five hundred twenty-one thousand, one hundred fifty-two".