42589670450 has 24 divisors (see below), whose sum is σ = 81148907700. Its totient is φ = 16620358400.

The previous prime is 42589670449. The next prime is 42589670521. The reversal of 42589670450 is 5407698524.

It can be written as a sum of positive squares in 6 ways, for example, as 13753894729 + 28835775721 = 117277^2 + 169811^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10385675 + ... + 10389774.

Almost surely, 2^42589670450 is an apocalyptic number.

42589670450 is a deficient number, since it is larger than the sum of its proper divisors (38559237250).

42589670450 is a wasteful number, since it uses less digits than its factorization.

42589670450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20775502 (or 20775497 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 42589670450 in words is "forty-two billion, five hundred eighty-nine million, six hundred seventy thousand, four hundred fifty".