1065262320 has 80 divisors (see below), whose sum is σ = 3669244320. Its totient is φ = 284069376.

The previous prime is 1065262309. The next prime is 1065262343. The reversal of 1065262320 is 232625601.

1065262320 is a `hidden beast` number, since 1 + 0 + 652 + 6 + 2 + 3 + 2 + 0 = 666.

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

It is a super-2 number, since 2×1065262320² = 2269567620823564800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244429 + ... + 248748.

It is an arithmetic number, because the mean of its divisors is an integer number (45865554).

Almost surely, 2^1065262320 is an apocalyptic number.

1065262320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065262320 is an abundant number, since it is smaller than the sum of its proper divisors (2603982000).

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

1065262320 is a wasteful number, since it uses less digits than its factorization.

1065262320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493199 (or 493187 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1065262320 is about 32638.3565762739. The cubic root of 1065262320 is about 1021.2973112221.

Adding to 1065262320 its reverse (232625601), we get a palindrome (1297887921).

The spelling of 1065262320 in words is "one billion, sixty-five million, two hundred sixty-two thousand, three hundred twenty".