42404015412 has 144 divisors (see below), whose sum is σ = 126224542080. Its totient is φ = 11867116800.

The previous prime is 42404015387. The next prime is 42404015419. The reversal of 42404015412 is 21451040424.

42404015412 is a `hidden beast` number, since 4 + 240 + 4 + 0 + 1 + 5 + 412 = 666.

It is a super-2 number, since 2×42404015412² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42404015419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183862 + ... + 344402.

It is an arithmetic number, because the mean of its divisors is an integer number (876559320).

Almost surely, 2^42404015412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42404015412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63112271040).

42404015412 is an abundant number, since it is smaller than the sum of its proper divisors (83820526668).

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

42404015412 is a wasteful number, since it uses less digits than its factorization.

42404015412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160614 (or 160609 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 42404015412 its reverse (21451040424), we get a palindrome (63855055836).

The spelling of 42404015412 in words is "forty-two billion, four hundred four million, fifteen thousand, four hundred twelve".