42031420332 has 96 divisors (see below), whose sum is σ = 107626143744. Its totient is φ = 12661185600.

The previous prime is 42031420331. The next prime is 42031420397. The reversal of 42031420332 is 23302413024.

It is not an unprimeable number, because it can be changed into a prime (42031420331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20138593 + ... + 20140679.

It is an arithmetic number, because the mean of its divisors is an integer number (1121105664).

Almost surely, 2^42031420332 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 42031420332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53813071872).

42031420332 is an abundant number, since it is smaller than the sum of its proper divisors (65594723412).

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

42031420332 is a wasteful number, since it uses less digits than its factorization.

42031420332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939 (or 2937 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 42031420332 its reverse (23302413024), we get a palindrome (65333833356).

The spelling of 42031420332 in words is "forty-two billion, thirty-one million, four hundred twenty thousand, three hundred thirty-two".