42105401512 has 32 divisors (see below), whose sum is σ = 80889177600. Its totient is φ = 20536233984.

The previous prime is 42105401501. The next prime is 42105401539. The reversal of 42105401512 is 21510450124.

42105401512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42105401512² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184953 + ... + 344119.

It is an arithmetic number, because the mean of its divisors is an integer number (2527786800).

Almost surely, 2^42105401512 is an apocalyptic number.

It is an amenable number.

42105401512 is a deficient number, since it is larger than the sum of its proper divisors (38783776088).

42105401512 is a wasteful number, since it uses less digits than its factorization.

42105401512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159985 (or 159981 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 42105401512 its reverse (21510450124), we get a palindrome (63615851636).

The spelling of 42105401512 in words is "forty-two billion, one hundred five million, four hundred one thousand, five hundred twelve".