1038255720 has 128 divisors (see below), whose sum is σ = 3261358080. Its totient is φ = 264096000.

The previous prime is 1038255707. The next prime is 1038255731. The reversal of 1038255720 is 275528301.

1038255720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1038255720² = 2155949880225436800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262155 + ... + 266085.

It is an arithmetic number, because the mean of its divisors is an integer number (25479360).

Almost surely, 2^1038255720 is an apocalyptic number.

1038255720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1038255720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1630679040).

1038255720 is an abundant number, since it is smaller than the sum of its proper divisors (2223102360).

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

1038255720 is a wasteful number, since it uses less digits than its factorization.

1038255720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047 (or 4043 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 1038255720 is about 32221.9757308580. The cubic root of 1038255720 is about 1012.5926658063.

The spelling of 1038255720 in words is "one billion, thirty-eight million, two hundred fifty-five thousand, seven hundred twenty".