1489520264 has 8 divisors (see below), whose sum is σ = 2792850510. Its totient is φ = 744760128.

The previous prime is 1489520239. The next prime is 1489520267. The reversal of 1489520264 is 4620259841.

It can be written as a sum of positive squares in only one way, i.e., 1434136900 + 55383364 = 37870^2 + 7442^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1489520267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93095009 + ... + 93095024.

Almost surely, 2^1489520264 is an apocalyptic number.

It is an amenable number.

1489520264 is a deficient number, since it is larger than the sum of its proper divisors (1303330246).

1489520264 is a wasteful number, since it uses less digits than its factorization.

1489520264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186190039 (or 186190035 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 1489520264 is about 38594.3035174882. The cubic root of 1489520264 is about 1142.0421649192.

The spelling of 1489520264 in words is "one billion, four hundred eighty-nine million, five hundred twenty thousand, two hundred sixty-four".