1020040288 has 24 divisors (see below), whose sum is σ = 2009026152. Its totient is φ = 509811456.

The previous prime is 1020040261. The next prime is 1020040291. The reversal of 1020040288 is 8820400201.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 99331 + ... + 109117.

It is an arithmetic number, because the mean of its divisors is an integer number (83709423).

Almost surely, 2^1020040288 is an apocalyptic number.

It is an amenable number.

1020040288 is a deficient number, since it is larger than the sum of its proper divisors (988985864).

1020040288 is an equidigital number, since it uses as much as digits as its factorization.

1020040288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13054 (or 13046 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1020040288 is about 31938.0695722205. The cubic root of 1020040288 is about 1006.6359625934.

Adding to 1020040288 its reverse (8820400201), we get a palindrome (9840440489).

The spelling of 1020040288 in words is "one billion, twenty million, forty thousand, two hundred eighty-eight".