42401432040 has 64 divisors (see below), whose sum is σ = 138768327360. Its totient is φ = 10279134720.

The previous prime is 42401432033. The next prime is 42401432071. The reversal of 42401432040 is 4023410424.

It is a happy number.

42401432040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 42401432040.

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, 16059829 + ... + 16062468.

It is an arithmetic number, because the mean of its divisors is an integer number (2168255115).

Almost surely, 2^42401432040 is an apocalyptic number.

42401432040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42401432040 is an abundant number, since it is smaller than the sum of its proper divisors (96366895320).

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

42401432040 is a wasteful number, since it uses less digits than its factorization.

42401432040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32122322 (or 32122318 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42401432040 its reverse (4023410424), we get a palindrome (46424842464).

The spelling of 42401432040 in words is "forty-two billion, four hundred one million, four hundred thirty-two thousand, forty".