42669307508 has 24 divisors (see below), whose sum is σ = 75292574952. Its totient is φ = 21157766784.

The previous prime is 42669307507. The next prime is 42669307531. The reversal of 42669307508 is 80570396624.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33522680464 + 9146627044 = 183092^2 + 95638^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42669307501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197066 + ... + 352382.

It is an arithmetic number, because the mean of its divisors is an integer number (3137190623).

Almost surely, 2^42669307508 is an apocalyptic number.

It is an amenable number.

42669307508 is a deficient number, since it is larger than the sum of its proper divisors (32623267444).

42669307508 is a wasteful number, since it uses less digits than its factorization.

42669307508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155891 (or 155889 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 42669307508 in words is "forty-two billion, six hundred sixty-nine million, three hundred seven thousand, five hundred eight".