1026064388 has 6 divisors (see below), whose sum is σ = 1795612686. Its totient is φ = 513032192.

The previous prime is 1026064367. The next prime is 1026064397. The reversal of 1026064388 is 8834606201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 796481284 + 229583104 = 28222^2 + 15152^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128258045 + ... + 128258052.

It is an arithmetic number, because the mean of its divisors is an integer number (299268781).

Almost surely, 2^1026064388 is an apocalyptic number.

It is an amenable number.

1026064388 is a deficient number, since it is larger than the sum of its proper divisors (769548298).

1026064388 is a wasteful number, since it uses less digits than its factorization.

1026064388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256516101 (or 256516099 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 1026064388 is about 32032.2398217796. The cubic root of 1026064388 is about 1008.6137201239.

The spelling of 1026064388 in words is "one billion, twenty-six million, sixty-four thousand, three hundred eighty-eight".