672305018080 has 48 divisors (see below), whose sum is σ = 1657378031904. Its totient is φ = 257229744640.

The previous prime is 672305018071. The next prime is 672305018083. The reversal of 672305018080 is 80810503276.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672305018083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91342111 + ... + 91349470.

It is an arithmetic number, because the mean of its divisors is an integer number (34528708998).

Almost surely, 2^672305018080 is an apocalyptic number.

It is an amenable number.

672305018080 is an abundant number, since it is smaller than the sum of its proper divisors (985073013824).

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

672305018080 is a wasteful number, since it uses less digits than its factorization.

672305018080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182691619 (or 182691611 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 672305018080 in words is "six hundred seventy-two billion, three hundred five million, eighteen thousand, eighty".