1380789480 has 64 divisors (see below), whose sum is σ = 4734138240. Its totient is φ = 315608832.

The previous prime is 1380789479. The next prime is 1380789481. The reversal of 1380789480 is 849870831.

It is an interprime number because it is at equal distance from previous prime (1380789479) and next prime (1380789481).

It is not an unprimeable number, because it can be changed into a prime (1380789481) 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, 821059 + ... + 822738.

It is an arithmetic number, because the mean of its divisors is an integer number (73970910).

Almost surely, 2^1380789480 is an apocalyptic number.

1380789480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1380789480 is an abundant number, since it is smaller than the sum of its proper divisors (3353348760).

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

1380789480 is a wasteful number, since it uses less digits than its factorization.

1380789480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643818 (or 1643814 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 1380789480 is about 37158.9757662937. The cubic root of 1380789480 is about 1113.5485494358.

The spelling of 1380789480 in words is "one billion, three hundred eighty million, seven hundred eighty-nine thousand, four hundred eighty".