42401440432 has 40 divisors (see below), whose sum is σ = 88709589584. Its totient is φ = 19517393664.

The previous prime is 42401440351. The next prime is 42401440451. The reversal of 42401440432 is 23404410424.

42401440432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42401440432.

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, 195678 + ... + 350845.

Almost surely, 2^42401440432 is an apocalyptic number.

It is an amenable number.

42401440432 is an abundant number, since it is smaller than the sum of its proper divisors (46308149152).

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

42401440432 is a wasteful number, since it uses less digits than its factorization.

42401440432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546917 (or 546911 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 42401440432 its reverse (23404410424), we get a palindrome (65805850856).

The spelling of 42401440432 in words is "forty-two billion, four hundred one million, four hundred forty thousand, four hundred thirty-two".