674143440000 has 320 divisors, whose sum is σ = 2275624692000. Its totient is φ = 176720896000.

The previous prime is 674143439999. The next prime is 674143440023. The reversal of 674143440000 is 44341476.

It is a tau number, because it is divible by the number of its divisors (320).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14136196 + ... + 14183804.

Almost surely, 2^674143440000 is an apocalyptic number.

674143440000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674143440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137812346000).

674143440000 is an abundant number, since it is smaller than the sum of its proper divisors (1601481252000).

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

674143440000 is an equidigital number, since it uses as much as digits as its factorization.

674143440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47705 (or 47678 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

Adding to 674143440000 its reverse (44341476), we get a palindrome (674187781476).

The spelling of 674143440000 in words is "six hundred seventy-four billion, one hundred forty-three million, four hundred forty thousand".