1380645330 has 32 divisors (see below), whose sum is σ = 3367873728. Its totient is φ = 362136000.

The previous prime is 1380645221. The next prime is 1380645337. The reversal of 1380645330 is 335460831.

It is a junction number, because it is equal to n+sod(n) for n = 1380645291 and 1380645300.

It is not an unprimeable number, because it can be changed into a prime (1380645337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375396 + ... + 379055.

It is an arithmetic number, because the mean of its divisors is an integer number (105246054).

Almost surely, 2^1380645330 is an apocalyptic number.

1380645330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380645330 is an abundant number, since it is smaller than the sum of its proper divisors (1987228398).

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

1380645330 is a wasteful number, since it uses less digits than its factorization.

1380645330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754522.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1380645330 is about 37157.0360766302. The cubic root of 1380645330 is about 1113.5097977864.

The spelling of 1380645330 in words is "one billion, three hundred eighty million, six hundred forty-five thousand, three hundred thirty".