42040441012 has 6 divisors (see below), whose sum is σ = 73570771778. Its totient is φ = 21020220504.

The previous prime is 42040440979. The next prime is 42040441031. The reversal of 42040441012 is 21014404024.

42040441012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 30090453156 + 11949987856 = 173466^2 + 109316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5255055123 + ... + 5255055130.

Almost surely, 2^42040441012 is an apocalyptic number.

It is an amenable number.

42040441012 is a deficient number, since it is larger than the sum of its proper divisors (31530330766).

42040441012 is a wasteful number, since it uses less digits than its factorization.

42040441012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510110257 (or 10510110255 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 42040441012 its reverse (21014404024), we get a palindrome (63054845036).

The spelling of 42040441012 in words is "forty-two billion, forty million, four hundred forty-one thousand, twelve".