42201523450 has 24 divisors (see below), whose sum is σ = 80409345660. Its totient is φ = 16468886400.

The previous prime is 42201523393. The next prime is 42201523489. The reversal of 42201523450 is 5432510224.

42201523450 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 6 ways, for example, as 11953704889 + 30247818561 = 109333^2 + 173919^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10291005 + ... + 10295104.

Almost surely, 2^42201523450 is an apocalyptic number.

42201523450 is a deficient number, since it is larger than the sum of its proper divisors (38207822210).

42201523450 is a wasteful number, since it uses less digits than its factorization.

42201523450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20586162 (or 20586157 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 42201523450 in words is "forty-two billion, two hundred one million, five hundred twenty-three thousand, four hundred fifty".