1630255264 has 36 divisors (see below), whose sum is σ = 3527877402. Its totient is φ = 741023360.

The previous prime is 1630255247. The next prime is 1630255283. The reversal of 1630255264 is 4625520361.

It can be written as a sum of positive squares in only one way, i.e., 967707664 + 662547600 = 31108^2 + 25740^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206647 + ... + 214390.

Almost surely, 2^1630255264 is an apocalyptic number.

It is an amenable number.

1630255264 is an abundant number, since it is smaller than the sum of its proper divisors (1897622138).

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

1630255264 is a wasteful number, since it uses less digits than its factorization.

1630255264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421069 (or 421050 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 1630255264 is about 40376.4196530599. The cubic root of 1630255264 is about 1176.9333528512.

The spelling of 1630255264 in words is "one billion, six hundred thirty million, two hundred fifty-five thousand, two hundred sixty-four".