42006850504 has 8 divisors (see below), whose sum is σ = 78762844710. Its totient is φ = 21003425248.

The previous prime is 42006850493. The next prime is 42006850531. The reversal of 42006850504 is 40505860024.

It can be written as a sum of positive squares in only one way, i.e., 26929466404 + 15077384100 = 164102^2 + 122790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 42006850504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625428149 + ... + 2625428164.

Almost surely, 2^42006850504 is an apocalyptic number.

It is an amenable number.

42006850504 is a deficient number, since it is larger than the sum of its proper divisors (36755994206).

42006850504 is a wasteful number, since it uses less digits than its factorization.

42006850504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250856319 (or 5250856315 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 42006850504 in words is "forty-two billion, six million, eight hundred fifty thousand, five hundred four".