1000264464 has 50 divisors (see below), whose sum is σ = 2895059310. Its totient is φ = 333421056.

The previous prime is 1000264459. The next prime is 1000264471. The reversal of 1000264464 is 4644620001.

1000264464 is a `hidden beast` number, since 10 + 0 + 0 + 2 + 644 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 860835600 + 139428864 = 29340^2 + 11808^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 384609 + ... + 387200.

Almost surely, 2^1000264464 is an apocalyptic number.

It is an amenable number.

1000264464 is an abundant number, since it is smaller than the sum of its proper divisors (1894794846).

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

1000264464 is an equidigital number, since it uses as much as digits as its factorization.

1000264464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771829 (or 771814 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1000264464 is about 31626.9578682490. The cubic root of 1000264464 is about 1000.0881468966.

Adding to 1000264464 its reverse (4644620001), we get a palindrome (5644884465).

The spelling of 1000264464 in words is "one billion, two hundred sixty-four thousand, four hundred sixty-four".