6774040380 has 96 divisors (see below), whose sum is σ = 19239026688. Its totient is φ = 1780710400.

The previous prime is 6774040373. The next prime is 6774040387. The reversal of 6774040380 is 830404776.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6774040373) and next prime (6774040387).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6774040387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1292365 + ... + 1297595.

It is an arithmetic number, because the mean of its divisors is an integer number (200406528).

Almost surely, 2^6774040380 is an apocalyptic number.

6774040380 is a gapful number since it is divisible by the number (60) 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 6774040380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9619513344).

6774040380 is an abundant number, since it is smaller than the sum of its proper divisors (12464986308).

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

6774040380 is a wasteful number, since it uses less digits than its factorization.

6774040380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547 (or 5545 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 6774040380 is about 82304.5586829794. The cubic root of 6774040380 is about 1892.1225447193.

The spelling of 6774040380 in words is "six billion, seven hundred seventy-four million, forty thousand, three hundred eighty".