1033728880 has 20 divisors (see below), whose sum is σ = 2403419832. Its totient is φ = 413491520.

The previous prime is 1033728869. The next prime is 1033728889. The reversal of 1033728880 is 888273301.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033728889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6460726 + ... + 6460885.

Almost surely, 2^1033728880 is an apocalyptic number.

1033728880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1033728880 is an abundant number, since it is smaller than the sum of its proper divisors (1369690952).

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

1033728880 is a wasteful number, since it uses less digits than its factorization.

1033728880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12921624 (or 12921618 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 1033728880 is about 32151.6543897822. The cubic root of 1033728880 is about 1011.1188724688.

The spelling of 1033728880 in words is "one billion, thirty-three million, seven hundred twenty-eight thousand, eight hundred eighty".