1380825344 has 18 divisors (see below), whose sum is σ = 2756257350. Its totient is φ = 690412544.

The previous prime is 1380825317. The next prime is 1380825349. The reversal of 1380825344 is 4435280831.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1377894400 + 2930944 = 37120^2 + 1712^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1380825298 and 1380825307.

It is not an unprimeable number, because it can be changed into a prime (1380825349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2696669 + ... + 2697180.

Almost surely, 2^1380825344 is an apocalyptic number.

It is an amenable number.

1380825344 is a deficient number, since it is larger than the sum of its proper divisors (1375432006).

1380825344 is an frugal number, since it uses more digits than its factorization.

1380825344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5393865 (or 5393851 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 1380825344 is about 37159.4583383558. The cubic root of 1380825344 is about 1113.5581902874.

The spelling of 1380825344 in words is "one billion, three hundred eighty million, eight hundred twenty-five thousand, three hundred forty-four".