100385000628 has 48 divisors (see below), whose sum is σ = 259714418880. Its totient is φ = 29921011200.

The previous prime is 100385000621. The next prime is 100385000633. The reversal of 100385000628 is 826000583001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100385000621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6225493 + ... + 6241596.

It is an arithmetic number, because the mean of its divisors is an integer number (5410717060).

Almost surely, 2^100385000628 is an apocalyptic number.

It is an amenable number.

100385000628 is an abundant number, since it is smaller than the sum of its proper divisors (159329418252).

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

100385000628 is a wasteful number, since it uses less digits than its factorization.

100385000628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12467168 (or 12467166 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

Adding to 100385000628 its reverse (826000583001), we get a palindrome (926385583629).

The spelling of 100385000628 in words is "one hundred billion, three hundred eighty-five million, six hundred twenty-eight", and thus it is an aban number.