42432223040 has 56 divisors (see below), whose sum is σ = 106985376072. Its totient is φ = 15974481920.

The previous prime is 42432223033. The next prime is 42432223069. The reversal of 42432223040 is 4032223424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4263567616 + 38168655424 = 65296^2 + 195368^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3894581 + ... + 3905460.

Almost surely, 2^42432223040 is an apocalyptic number.

42432223040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42432223040 is an abundant number, since it is smaller than the sum of its proper divisors (64553153032).

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

42432223040 is a wasteful number, since it uses less digits than its factorization.

42432223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7800075 (or 7800065 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 42432223040 its reverse (4032223424), we get a palindrome (46464446464).

The spelling of 42432223040 in words is "forty-two billion, four hundred thirty-two million, two hundred twenty-three thousand, forty".