1327624380 has 72 divisors (see below), whose sum is σ = 4135989312. Its totient is φ = 344462976.

The previous prime is 1327624339. The next prime is 1327624381. The reversal of 1327624380 is 834267231.

It is a happy number.

1327624380 is a `hidden beast` number, since 1 + 3 + 27 + 624 + 3 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327624381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93012 + ... + 106331.

It is an arithmetic number, because the mean of its divisors is an integer number (57444296).

Almost surely, 2^1327624380 is an apocalyptic number.

1327624380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1327624380 is an abundant number, since it is smaller than the sum of its proper divisors (2808364932).

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

1327624380 is a wasteful number, since it uses less digits than its factorization.

1327624380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199395 (or 199390 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1327624380 is about 36436.5802456817. The cubic root of 1327624380 is about 1099.0692898832.

The spelling of 1327624380 in words is "one billion, three hundred twenty-seven million, six hundred twenty-four thousand, three hundred eighty".