42404034232 has 64 divisors (see below), whose sum is σ = 93953802240. Its totient is φ = 17557516800.

The previous prime is 42404034227. The next prime is 42404034289. The reversal of 42404034232 is 23243040424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 42404034232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033632 + ... + 1073872.

It is an arithmetic number, because the mean of its divisors is an integer number (1468028160).

Almost surely, 2^42404034232 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 42404034232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46976901120).

42404034232 is an abundant number, since it is smaller than the sum of its proper divisors (51549768008).

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

42404034232 is a wasteful number, since it uses less digits than its factorization.

42404034232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40892 (or 40888 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42404034232 its reverse (23243040424), we get a palindrome (65647074656).

The spelling of 42404034232 in words is "forty-two billion, four hundred four million, thirty-four thousand, two hundred thirty-two".