1500641264 has 20 divisors (see below), whose sum is σ = 2986074504. Its totient is φ = 730041408.

The previous prime is 1500641257. The next prime is 1500641269. The reversal of 1500641264 is 4621460051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500641269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266842 + ... + 1268025.

Almost surely, 2^1500641264 is an apocalyptic number.

It is an amenable number.

1500641264 is a deficient number, since it is larger than the sum of its proper divisors (1485433240).

1500641264 is a wasteful number, since it uses less digits than its factorization.

1500641264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534912 (or 2534906 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1500641264 is about 38738.1112601015. Note that the first 3 decimals coincide. The cubic root of 1500641264 is about 1144.8773446539.

The spelling of 1500641264 in words is "one billion, five hundred million, six hundred forty-one thousand, two hundred sixty-four".