1150422320 has 80 divisors (see below), whose sum is σ = 2720129472. Its totient is φ = 452428800.

The previous prime is 1150422319. The next prime is 1150422323. The reversal of 1150422320 is 232240511.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1150422292 and 1150422301.

It is not an unprimeable number, because it can be changed into a prime (1150422323) 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, 1397429 + ... + 1398251.

Almost surely, 2^1150422320 is an apocalyptic number.

1150422320 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 1150422320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360064736).

1150422320 is an abundant number, since it is smaller than the sum of its proper divisors (1569707152).

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

1150422320 is a wasteful number, since it uses less digits than its factorization.

1150422320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1150422320 is about 33917.8761127521. The cubic root of 1150422320 is about 1047.8177868241.

Adding to 1150422320 its reverse (232240511), we get a palindrome (1382662831).

The spelling of 1150422320 in words is "one billion, one hundred fifty million, four hundred twenty-two thousand, three hundred twenty".