672000405452000 has 192 divisors, whose sum is σ = 1660628875546368. Its totient is φ = 267253480000000.

The previous prime is 672000405451987. The next prime is 672000405452041. The reversal of 672000405452000 is 254504000276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 564657575 + ... + 565846425.

It is an arithmetic number, because the mean of its divisors is an integer number (8649108726804).

Almost surely, 2^{672000405452000} 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 672000405452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830314437773184).

672000405452000 is an abundant number, since it is smaller than the sum of its proper divisors (988628470094368).

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

672000405452000 is a wasteful number, since it uses less digits than its factorization.

672000405452000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189690 (or 1189672 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

Adding to 672000405452000 its reverse (254504000276), we get a palindrome (672254909452276).

The spelling of 672000405452000 in words is "six hundred seventy-two trillion, four hundred five million, four hundred fifty-two thousand".