42662494852 has 12 divisors (see below), whose sum is σ = 75134904460. Its totient is φ = 21195379296.

The previous prime is 42662494843. The next prime is 42662494859. The reversal of 42662494852 is 25849426624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21755070016 + 20907424836 = 147496^2 + 144594^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42662494852.

It is not an unprimeable number, because it can be changed into a prime (42662494859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33966327 + ... + 33967582.

Almost surely, 2^42662494852 is an apocalyptic number.

It is an amenable number.

42662494852 is a deficient number, since it is larger than the sum of its proper divisors (32472409608).

42662494852 is a wasteful number, since it uses less digits than its factorization.

42662494852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67934070 (or 67934068 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 52.

The spelling of 42662494852 in words is "forty-two billion, six hundred sixty-two million, four hundred ninety-four thousand, eight hundred fifty-two".