674043377440 has 48 divisors (see below), whose sum is σ = 1602570389112. Its totient is φ = 267900033024.

The previous prime is 674043377437. The next prime is 674043377453. The reversal of 674043377440 is 44773340476.

It can be written as a sum of positive squares in 4 ways, for example, as 552245169424 + 121798208016 = 743132^2 + 348996^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13391349 + ... + 13441588.

Almost surely, 2^674043377440 is an apocalyptic number.

It is an amenable number.

674043377440 is an abundant number, since it is smaller than the sum of its proper divisors (928527011672).

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

674043377440 is a wasteful number, since it uses less digits than its factorization.

674043377440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26833109 (or 26833101 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 49.

The spelling of 674043377440 in words is "six hundred seventy-four billion, forty-three million, three hundred seventy-seven thousand, four hundred forty".