42822231552 has 160 divisors (see below), whose sum is σ = 129850126560. Its totient is φ = 13925744640.

The previous prime is 42822231469. The next prime is 42822231553. The reversal of 42822231552 is 25513222824.

42822231552 is a `hidden beast` number, since 4 + 2 + 82 + 2 + 23 + 1 + 552 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42822231553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529008 + ... + 604560.

It is an arithmetic number, because the mean of its divisors is an integer number (811563291).

Almost surely, 2^42822231552 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 42822231552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64925063280).

42822231552 is an abundant number, since it is smaller than the sum of its proper divisors (87027895008).

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

42822231552 is an equidigital number, since it uses as much as digits as its factorization.

42822231552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75621 (or 75599 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The spelling of 42822231552 in words is "forty-two billion, eight hundred twenty-two million, two hundred thirty-one thousand, five hundred fifty-two".