1064564420 has 12 divisors (see below), whose sum is σ = 2235585324. Its totient is φ = 425825760.

The previous prime is 1064564411. The next prime is 1064564441. The reversal of 1064564420 is 244654601.

It can be written as a sum of positive squares in 2 ways, for example, as 636653824 + 427910596 = 25232^2 + 20686^2 .

It is a super-2 number, since 2×1064564420² = 2266594808659872800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26614091 + ... + 26614130.

It is an arithmetic number, because the mean of its divisors is an integer number (186298777).

Almost surely, 2^1064564420 is an apocalyptic number.

1064564420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1064564420 is an abundant number, since it is smaller than the sum of its proper divisors (1171020904).

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

1064564420 is a wasteful number, since it uses less digits than its factorization.

1064564420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53228230 (or 53228228 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1064564420 is about 32627.6634161872. The cubic root of 1064564420 is about 1021.0742302992.

The spelling of 1064564420 in words is "one billion, sixty-four million, five hundred sixty-four thousand, four hundred twenty".