674475670440 has 768 divisors, whose sum is σ = 2622821160960. Its totient is φ = 148172544000.

The previous prime is 674475670433. The next prime is 674475670499. The reversal of 674475670440 is 44076574476.

674475670440 is a `hidden beast` number, since 6 + 74 + 4 + 7 + 567 + 0 + 4 + 4 + 0 = 666.

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, 694619155 + ... + 694620125.

It is an arithmetic number, because the mean of its divisors is an integer number (3415131720).

Almost surely, 2^674475670440 is an apocalyptic number.

674475670440 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 674475670440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1311410580480).

674475670440 is an abundant number, since it is smaller than the sum of its proper divisors (1948345490520).

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

674475670440 is a wasteful number, since it uses less digits than its factorization.

674475670440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 54.

The spelling of 674475670440 in words is "six hundred seventy-four billion, four hundred seventy-five million, six hundred seventy thousand, four hundred forty".