42040404024 has 32 divisors (see below), whose sum is σ = 106141620240. Its totient is φ = 13874720000.

The previous prime is 42040404023. The next prime is 42040404047.

42040404024 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 42040403985 and 42040404003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42040404023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8669277 + ... + 8674124.

Almost surely, 2^42040404024 is an apocalyptic number.

It is an amenable number.

42040404024 is an abundant number, since it is smaller than the sum of its proper divisors (64101216216).

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

42040404024 is a wasteful number, since it uses less digits than its factorization.

42040404024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17343511 (or 17343507 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The spelling of 42040404024 in words is "forty-two billion, forty million, four hundred four thousand, twenty-four".