1320530464 has 48 divisors (see below), whose sum is σ = 2959467840. Its totient is φ = 574140160.

The previous prime is 1320530461. The next prime is 1320530479. The reversal of 1320530464 is 4640350231.

It is not an unprimeable number, because it can be changed into a prime (1320530461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73459 + ... + 89650.

It is an arithmetic number, because the mean of its divisors is an integer number (61655580).

Almost surely, 2^1320530464 is an apocalyptic number.

It is an amenable number.

1320530464 is an abundant number, since it is smaller than the sum of its proper divisors (1638937376).

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

1320530464 is a wasteful number, since it uses less digits than its factorization.

1320530464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163153 (or 163145 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1320530464 is about 36339.1037864172. The cubic root of 1320530464 is about 1097.1082348687.

Adding to 1320530464 its reverse (4640350231), we get a palindrome (5960880695).

The spelling of 1320530464 in words is "one billion, three hundred twenty million, five hundred thirty thousand, four hundred sixty-four".