1028801544 has 16 divisors (see below), whose sum is σ = 2572003920. Its totient is φ = 342933840.

The previous prime is 1028801537. The next prime is 1028801581. The reversal of 1028801544 is 4451088201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21433342 + ... + 21433389.

It is an arithmetic number, because the mean of its divisors is an integer number (160750245).

Almost surely, 2^1028801544 is an apocalyptic number.

It is an amenable number.

1028801544 is an abundant number, since it is smaller than the sum of its proper divisors (1543202376).

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

1028801544 is a wasteful number, since it uses less digits than its factorization.

1028801544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42866740 (or 42866736 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 1028801544 is about 32074.9363834131. The cubic root of 1028801544 is about 1009.5097918494.

Adding to 1028801544 its reverse (4451088201), we get a palindrome (5479889745).

The spelling of 1028801544 in words is "one billion, twenty-eight million, eight hundred one thousand, five hundred forty-four".