1028858064 has 40 divisors (see below), whose sum is σ = 2862337632. Its totient is φ = 316571520.

The previous prime is 1028858021. The next prime is 1028858069. The reversal of 1028858064 is 4608588201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028858069) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 823782 + ... + 825029.

Almost surely, 2^1028858064 is an apocalyptic number.

It is an amenable number.

1028858064 is an abundant number, since it is smaller than the sum of its proper divisors (1833479568).

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

1028858064 is a wasteful number, since it uses less digits than its factorization.

1028858064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648835 (or 1648829 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 1028858064 is about 32075.8174330757. The cubic root of 1028858064 is about 1009.5282782293.

The spelling of 1028858064 in words is "one billion, twenty-eight million, eight hundred fifty-eight thousand, sixty-four".