42126626464 has 48 divisors (see below), whose sum is σ = 91730543688. Its totient is φ = 18917563392.

The previous prime is 42126626449. The next prime is 42126626483. The reversal of 42126626464 is 46462662124.

42126626464 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 4 ways, for example, as 25046227600 + 17080398864 = 158260^2 + 130692^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42126626464.

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, 1353067 + ... + 1383850.

Almost surely, 2^42126626464 is an apocalyptic number.

It is an amenable number.

42126626464 is an abundant number, since it is smaller than the sum of its proper divisors (49603917224).

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

42126626464 is a wasteful number, since it uses less digits than its factorization.

42126626464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736977 (or 2736969 counting only the distinct ones).

The product of its digits is 663552, while the sum is 43.

The spelling of 42126626464 in words is "forty-two billion, one hundred twenty-six million, six hundred twenty-six thousand, four hundred sixty-four".