1064736384 has 128 divisors (see below), whose sum is σ = 3012655680. Its totient is φ = 332021760.

The previous prime is 1064736371. The next prime is 1064736419. The reversal of 1064736384 is 4836374601.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1064736384² = 2267327134826790912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377022 + ... + 1377794.

Almost surely, 2^1064736384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1064736384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1506327840).

1064736384 is an abundant number, since it is smaller than the sum of its proper divisors (1947919296).

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

1064736384 is a wasteful number, since it uses less digits than its factorization.

1064736384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 1064736384 is about 32630.2985582418. The cubic root of 1064736384 is about 1021.1292069488.

The spelling of 1064736384 in words is "one billion, sixty-four million, seven hundred thirty-six thousand, three hundred eighty-four".