42538536600 has 144 divisors (see below), whose sum is σ = 153399277800. Its totient is φ = 9723087360.

The previous prime is 42538536583. The next prime is 42538536611. The reversal of 42538536600 is 663583524.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 694045 + ... + 752844.

Almost surely, 2^42538536600 is an apocalyptic number.

42538536600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42538536600 is an abundant number, since it is smaller than the sum of its proper divisors (110860741200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42538536600 is a wasteful number, since it uses less digits than its factorization.

42538536600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446922 (or 1446906 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 42538536600 in words is "forty-two billion, five hundred thirty-eight million, five hundred thirty-six thousand, six hundred".