1674040380 has 96 divisors (see below), whose sum is σ = 4775131200. Its totient is φ = 438110208.

The previous prime is 1674040339. The next prime is 1674040387. The reversal of 1674040380 is 830404761.

It is a super-2 number, since 2×1674040380² = 5604822387741088800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674040387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1002186 + ... + 1003854.

It is an arithmetic number, because the mean of its divisors is an integer number (49740950).

Almost surely, 2^1674040380 is an apocalyptic number.

1674040380 is a gapful number since it is divisible by the number (10) 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 1674040380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2387565600).

1674040380 is an abundant number, since it is smaller than the sum of its proper divisors (3101090820).

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

1674040380 is a wasteful number, since it uses less digits than its factorization.

1674040380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983 (or 1981 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1674040380 is about 40915.0385555238. The cubic root of 1674040380 is about 1187.3770299996.

The spelling of 1674040380 in words is "one billion, six hundred seventy-four million, forty thousand, three hundred eighty".