8232561420 has 96 divisors (see below), whose sum is σ = 23703153600. Its totient is φ = 2133402624.

The previous prime is 8232561413. The next prime is 8232561451. The reversal of 8232561420 is 241652328.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2371446 + ... + 2374914.

It is an arithmetic number, because the mean of its divisors is an integer number (246907850).

Almost surely, 2^8232561420 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 8232561420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11851576800).

8232561420 is an abundant number, since it is smaller than the sum of its proper divisors (15470592180).

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

8232561420 is a wasteful number, since it uses less digits than its factorization.

8232561420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587 (or 4585 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 8232561420 is about 90733.4636173446. The cubic root of 8232561420 is about 2019.1952991870.

The spelling of 8232561420 in words is "eight billion, two hundred thirty-two million, five hundred sixty-one thousand, four hundred twenty".