674667440000 has 160 divisors (see below), whose sum is σ = 1778342623200. Its totient is φ = 253991936000.

The previous prime is 674667439889. The next prime is 674667440059. The reversal of 674667440000 is 44766476.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1111961 + ... + 1608039.

It is an arithmetic number, because the mean of its divisors is an integer number (11114641395).

Almost surely, 2^674667440000 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 674667440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (889171311600).

674667440000 is an abundant number, since it is smaller than the sum of its proper divisors (1103675183200).

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

674667440000 is an equidigital number, since it uses as much as digits as its factorization.

674667440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496130 (or 496103 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 674667440000 in words is "six hundred seventy-four billion, six hundred sixty-seven million, four hundred forty thousand".