42240032412 has 12 divisors (see below), whose sum is σ = 98560075656. Its totient is φ = 14080010800.

The previous prime is 42240032377. The next prime is 42240032431. The reversal of 42240032412 is 21423004224.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×42240032412³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760001339 + ... + 1760001362.

It is an arithmetic number, because the mean of its divisors is an integer number (8213339638).

Almost surely, 2^42240032412 is an apocalyptic number.

It is an amenable number.

42240032412 is an abundant number, since it is smaller than the sum of its proper divisors (56320043244).

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

42240032412 is a wasteful number, since it uses less digits than its factorization.

42240032412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520002708 (or 3520002706 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42240032412 its reverse (21423004224), we get a palindrome (63663036636).

The spelling of 42240032412 in words is "forty-two billion, two hundred forty million, thirty-two thousand, four hundred twelve".