674603985397440 has 224 divisors, whose sum is σ = 2591839850217984. Its totient is φ = 145124890951680.

The previous prime is 674603985397429. The next prime is 674603985397453. The reversal of 674603985397440 is 44793589306476.

It is a happy number.

674603985397440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×674603985397440² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2952459226 + ... + 2952687705.

Almost surely, 2^{674603985397440} is an apocalyptic number.

674603985397440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

674603985397440 is an abundant number, since it is smaller than the sum of its proper divisors (1917235864820544).

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

674603985397440 is a wasteful number, since it uses less digits than its factorization.

674603985397440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5905146975 (or 5905146965 counting only the distinct ones).

The product of its (nonzero) digits is 3292047360, while the sum is 75.

The spelling of 674603985397440 in words is "six hundred seventy-four trillion, six hundred three billion, nine hundred eighty-five million, three hundred ninety-seven thousand, four hundred forty".