1020040788 has 24 divisors (see below), whose sum is σ = 2563179808. Its totient is φ = 313858656.

The previous prime is 1020040757. The next prime is 1020040829. The reversal of 1020040788 is 8870400201.

1020040788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3269206 + ... + 3269517.

Almost surely, 2^1020040788 is an apocalyptic number.

It is an amenable number.

1020040788 is an abundant number, since it is smaller than the sum of its proper divisors (1543139020).

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

1020040788 is a wasteful number, since it uses less digits than its factorization.

1020040788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6538743 (or 6538741 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 1020040788 is about 31938.0773998686. The cubic root of 1020040788 is about 1006.6361270699.

Adding to 1020040788 its reverse (8870400201), we get a palindrome (9890440989).

The spelling of 1020040788 in words is "one billion, twenty million, forty thousand, seven hundred eighty-eight".