673440104100 has 72 divisors (see below), whose sum is σ = 1948623717600. Its totient is φ = 179571399680.

The previous prime is 673440104093. The next prime is 673440104101. The reversal of 673440104100 is 1401044376.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (673440104101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4669876 + ... + 4811924.

It is an arithmetic number, because the mean of its divisors is an integer number (27064218300).

Almost surely, 2^673440104100 is an apocalyptic number.

673440104100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

673440104100 is an abundant number, since it is smaller than the sum of its proper divisors (1275183613500).

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

673440104100 is a wasteful number, since it uses less digits than its factorization.

673440104100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157869 (or 157862 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 673440104100 its reverse (1401044376), we get a palindrome (674841148476).

The spelling of 673440104100 in words is "six hundred seventy-three billion, four hundred forty million, one hundred four thousand, one hundred".