674395545600 has 2016 divisors, whose sum is σ = 3056989161600. Its totient is φ = 144919756800.

The previous prime is 674395545559. The next prime is 674395545613. The reversal of 674395545600 is 6545593476.

674395545600 is a `hidden beast` number, since 6 + 7 + 4 + 3 + 95 + 545 + 6 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5148057535 + ... + 5148057665.

Almost surely, 2^674395545600 is an apocalyptic number.

674395545600 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 674395545600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528494580800).

674395545600 is an abundant number, since it is smaller than the sum of its proper divisors (2382593616000).

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

674395545600 is a wasteful number, since it uses less digits than its factorization.

674395545600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 54.

The spelling of 674395545600 in words is "six hundred seventy-four billion, three hundred ninety-five million, five hundred forty-five thousand, six hundred".