1036732320 has 144 divisors (see below), whose sum is σ = 3810060072. Its totient is φ = 255191040.

The previous prime is 1036732313. The next prime is 1036732331. The reversal of 1036732320 is 232376301.

It can be written as a sum of positive squares in 4 ways, for example, as 899280144 + 137452176 = 29988^2 + 11724^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8971 + ... + 46410.

Almost surely, 2^1036732320 is an apocalyptic number.

1036732320 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 1036732320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905030036).

1036732320 is an abundant number, since it is smaller than the sum of its proper divisors (2773327752).

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

1036732320 is a wasteful number, since it uses less digits than its factorization.

1036732320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55415 (or 55404 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 1036732320 is about 32198.3279068960. The cubic root of 1036732320 is about 1012.0971749188.

The spelling of 1036732320 in words is "one billion, thirty-six million, seven hundred thirty-two thousand, three hundred twenty".