672400321241000 has 256 divisors, whose sum is σ = 1817823334129920. Its totient is φ = 230075566080000.

The previous prime is 672400321240987. The next prime is 672400321241071. The reversal of 672400321241000 is 142123004276.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 852512819 + ... + 853301181.

It is an arithmetic number, because the mean of its divisors is an integer number (7100872398945).

Almost surely, 2^{672400321241000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672400321241000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908911667064960).

672400321241000 is an abundant number, since it is smaller than the sum of its proper divisors (1145423012888920).

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

672400321241000 is a wasteful number, since it uses less digits than its factorization.

672400321241000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792973 (or 792959 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 672400321241000 its reverse (142123004276), we get a palindrome (672542444245276).

The spelling of 672400321241000 in words is "six hundred seventy-two trillion, four hundred billion, three hundred twenty-one million, two hundred forty-one thousand".