674424440 has 16 divisors (see below), whose sum is σ = 1517455080. Its totient is φ = 269769760.

The previous prime is 674424433. The next prime is 674424449. The reversal of 674424440 is 44424476.

It is a self number, because there is not a number n which added to its sum of digits gives 674424440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674424449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8430266 + ... + 8430345.

Almost surely, 2^674424440 is an apocalyptic number.

It is an amenable number.

674424440 is an abundant number, since it is smaller than the sum of its proper divisors (843030640).

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

674424440 is a wasteful number, since it uses less digits than its factorization.

674424440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16860622 (or 16860618 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 35.

The square root of 674424440 is about 25969.6830939463. The cubic root of 674424440 is about 876.9559249875.

The spelling of 674424440 in words is "six hundred seventy-four million, four hundred twenty-four thousand, four hundred forty".