674340597444 has 12 divisors (see below), whose sum is σ = 1573461394064. Its totient is φ = 224780199144.

The previous prime is 674340597433. The next prime is 674340597449. The reversal of 674340597444 is 444795043476.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×674340597444² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (674340597449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28097524882 + ... + 28097524905.

Almost surely, 2^674340597444 is an apocalyptic number.

It is an amenable number.

674340597444 is an abundant number, since it is smaller than the sum of its proper divisors (899120796620).

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

674340597444 is a wasteful number, since it uses less digits than its factorization.

674340597444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56195049794 (or 56195049792 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 57.

The spelling of 674340597444 in words is "six hundred seventy-four billion, three hundred forty million, five hundred ninety-seven thousand, four hundred forty-four".