42000042024 has 64 divisors (see below), whose sum is σ = 116741433600. Its totient is φ = 13991056128.

The previous prime is 42000042023. The next prime is 42000042041. The reversal of 42000042024 is 42024000024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42000041988 and 42000042006.

It is not an unprimeable number, because it can be changed into a prime (42000042023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280512 + ... + 403344.

It is an arithmetic number, because the mean of its divisors is an integer number (1824084900).

Almost surely, 2^42000042024 is an apocalyptic number.

It is an amenable number.

42000042024 is an abundant number, since it is smaller than the sum of its proper divisors (74741391576).

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

42000042024 is a wasteful number, since it uses less digits than its factorization.

42000042024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124431 (or 124421 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 42000042024 its reverse (42024000024), we get a palindrome (84024042048).

The spelling of 42000042024 in words is "forty-two billion, forty-two thousand, twenty-four".