1327782040 has 32 divisors (see below), whose sum is σ = 3217319280. Its totient is φ = 490257792.

The previous prime is 1327782031. The next prime is 1327782047. The reversal of 1327782040 is 402877231.

It is a junction number, because it is equal to n+sod(n) for n = 1327781987 and 1327782005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327782047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276194 + ... + 1277233.

Almost surely, 2^1327782040 is an apocalyptic number.

1327782040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1327782040 is an abundant number, since it is smaller than the sum of its proper divisors (1889537240).

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

1327782040 is a wasteful number, since it uses less digits than its factorization.

1327782040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553451 (or 2553447 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 1327782040 is about 36438.7436665975. The cubic root of 1327782040 is about 1099.1127942579.

The spelling of 1327782040 in words is "one billion, three hundred twenty-seven million, seven hundred eighty-two thousand, forty".