674555212800 has 2112 divisors, whose sum is σ = 3070303488000. Its totient is φ = 141628538880.

The previous prime is 674555212769. The next prime is 674555212813. The reversal of 674555212800 is 8212555476.

674555212800 is a `hidden beast` number, since 6 + 7 + 4 + 5 + 552 + 12 + 80 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4852915131 + ... + 4852915269.

Almost surely, 2^674555212800 is an apocalyptic number.

674555212800 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 674555212800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1535151744000).

674555212800 is an abundant number, since it is smaller than the sum of its proper divisors (2395748275200).

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

674555212800 is a wasteful number, since it uses less digits than its factorization.

674555212800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 674555212800 in words is "six hundred seventy-four billion, five hundred fifty-five million, two hundred twelve thousand, eight hundred".