1380780630 has 48 divisors (see below), whose sum is σ = 3801212064. Its totient is φ = 346548480.

The previous prime is 1380780607. The next prime is 1380780631. The reversal of 1380780630 is 360870831.

1380780630 is a `hidden beast` number, since 13 + 8 + 0 + 7 + 8 + 0 + 630 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380780631) 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 23 ways as a sum of consecutive naturals, for example, 449706 + ... + 452765.

It is an arithmetic number, because the mean of its divisors is an integer number (79191918).

Almost surely, 2^1380780630 is an apocalyptic number.

1380780630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380780630 is an abundant number, since it is smaller than the sum of its proper divisors (2420431434).

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

1380780630 is a wasteful number, since it uses less digits than its factorization.

1380780630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902501 (or 902498 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1380780630 is about 37158.8566831651. The cubic root of 1380780630 is about 1113.5461703800.

The spelling of 1380780630 in words is "one billion, three hundred eighty million, seven hundred eighty thousand, six hundred thirty".