42231005520 has 160 divisors (see below), whose sum is σ = 144423077760. Its totient is φ = 10122731520.

The previous prime is 42231005503. The next prime is 42231005561. The reversal of 42231005520 is 2550013224.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145092 + ... + 324828.

It is an arithmetic number, because the mean of its divisors is an integer number (902644236).

Almost surely, 2^42231005520 is an apocalyptic number.

42231005520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42231005520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72211538880).

42231005520 is an abundant number, since it is smaller than the sum of its proper divisors (102192072240).

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

42231005520 is a wasteful number, since it uses less digits than its factorization.

42231005520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179853 (or 179847 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 42231005520 its reverse (2550013224), we get a palindrome (44781018744).

The spelling of 42231005520 in words is "forty-two billion, two hundred thirty-one million, five thousand, five hundred twenty".