1380675520 has 224 divisors, whose sum is σ = 3956060160. Its totient is φ = 449003520.

The previous prime is 1380675511. The next prime is 1380675521. The reversal of 1380675520 is 255760831.

1380675520 = T₁₉₅ + T₁₉₆ + ... + T₂₀₂₃.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 1380675520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380675521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4096792 + ... + 4097128.

Almost surely, 2^1380675520 is an apocalyptic number.

1380675520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380675520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1978030080).

1380675520 is an abundant number, since it is smaller than the sum of its proper divisors (2575384640).

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

1380675520 is a wasteful number, since it uses less digits than its factorization.

1380675520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1380675520 is about 37157.4423231740. The cubic root of 1380675520 is about 1113.5179139465.

The spelling of 1380675520 in words is "one billion, three hundred eighty million, six hundred seventy-five thousand, five hundred twenty".