1380430544 has 10 divisors (see below), whose sum is σ = 2674584210. Its totient is φ = 690215264.

The previous prime is 1380430543. The next prime is 1380430553. The reversal of 1380430544 is 4450340831.

It can be written as a sum of positive squares in only one way, i.e., 1316238400 + 64192144 = 36280^2 + 8012^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1380430544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380430543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43138439 + ... + 43138470.

It is an arithmetic number, because the mean of its divisors is an integer number (267458421).

Almost surely, 2^1380430544 is an apocalyptic number.

It is an amenable number.

1380430544 is a deficient number, since it is larger than the sum of its proper divisors (1294153666).

1380430544 is an equidigital number, since it uses as much as digits as its factorization.

1380430544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86276917 (or 86276911 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1380430544 is about 37154.1457175374. The cubic root of 1380430544 is about 1113.4520521526.

The spelling of 1380430544 in words is "one billion, three hundred eighty million, four hundred thirty thousand, five hundred forty-four".