42331233450 has 96 divisors (see below), whose sum is σ = 114774653952. Its totient is φ = 10239768000.

The previous prime is 42331233433. The next prime is 42331233509. The reversal of 42331233450 is 5433213324.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 47 ways as a sum of consecutive naturals, for example, 736245 + ... + 791655.

It is an arithmetic number, because the mean of its divisors is an integer number (1195569312).

Almost surely, 2^42331233450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42331233450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57387326976).

42331233450 is an abundant number, since it is smaller than the sum of its proper divisors (72443420502).

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

42331233450 is a wasteful number, since it uses less digits than its factorization.

42331233450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55900 (or 55895 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 42331233450 its reverse (5433213324), we get a palindrome (47764446774).

The spelling of 42331233450 in words is "forty-two billion, three hundred thirty-one million, two hundred thirty-three thousand, four hundred fifty".