42451015424 has 36 divisors (see below), whose sum is σ = 86172444120. Its totient is φ = 20865745920.

The previous prime is 42451015403. The next prime is 42451015427.

42451015424 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42451015427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390187 + ... + 1420394.

Almost surely, 2^42451015424 is an apocalyptic number.

It is an amenable number.

42451015424 is an abundant number, since it is smaller than the sum of its proper divisors (43721428696).

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

42451015424 is an equidigital number, since it uses as much as digits as its factorization.

42451015424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810656 (or 2810642 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

It can be divided in two parts, 424510 and 15424, that added together give a palindrome (439934).

The spelling of 42451015424 in words is "forty-two billion, four hundred fifty-one million, fifteen thousand, four hundred twenty-four".