42040012424 has 64 divisors (see below), whose sum is σ = 83206867200. Its totient is φ = 19890883584.

The previous prime is 42040012381. The next prime is 42040012451. The reversal of 42040012424 is 42421004024.

42040012424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42040012424² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42040012424.

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, 1553312 + ... + 1580144.

It is an arithmetic number, because the mean of its divisors is an integer number (1300107300).

Almost surely, 2^42040012424 is an apocalyptic number.

It is an amenable number.

42040012424 is a deficient number, since it is larger than the sum of its proper divisors (41166854776).

42040012424 is a wasteful number, since it uses less digits than its factorization.

42040012424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27022 (or 27018 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 42040012424 its reverse (42421004024), we get a palindrome (84461016448).

The spelling of 42040012424 in words is "forty-two billion, forty million, twelve thousand, four hundred twenty-four".