1380856350 has 96 divisors (see below), whose sum is σ = 3616018560. Its totient is φ = 347760000.

The previous prime is 1380856349. The next prime is 1380856403. The reversal of 1380856350 is 536580831.

It is a junction number, because it is equal to n+sod(n) for n = 1380856299 and 1380856308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1313325 + ... + 1314375.

It is an arithmetic number, because the mean of its divisors is an integer number (37666860).

Almost surely, 2^1380856350 is an apocalyptic number.

1380856350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380856350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1808009280).

1380856350 is an abundant number, since it is smaller than the sum of its proper divisors (2235162210).

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

1380856350 is a wasteful number, since it uses less digits than its factorization.

1380856350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 1380856350 is about 37159.8755380047. The cubic root of 1380856350 is about 1113.5665250917.

The spelling of 1380856350 in words is "one billion, three hundred eighty million, eight hundred fifty-six thousand, three hundred fifty".