1383622560 has 288 divisors, whose sum is σ = 5156948160. Its totient is φ = 349360128.

The previous prime is 1383622553. The next prime is 1383622573. The reversal of 1383622560 is 652263831.

It is a happy number.

1383622560 is a `hidden beast` number, since 1 + 38 + 3 + 62 + 2 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×1383622560² = 3828822777081907200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 737784 + ... + 739656.

It is an arithmetic number, because the mean of its divisors is an integer number (17906070).

Almost surely, 2^1383622560 is an apocalyptic number.

1383622560 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 1383622560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2578474080).

1383622560 is an abundant number, since it is smaller than the sum of its proper divisors (3773325600).

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

1383622560 is a wasteful number, since it uses less digits than its factorization.

1383622560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922 (or 1902 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1383622560 is about 37197.0773045410. The cubic root of 1383622560 is about 1114.3096157172.

The spelling of 1383622560 in words is "one billion, three hundred eighty-three million, six hundred twenty-two thousand, five hundred sixty".