1038540799 has 4 divisors (see below), whose sum is σ = 1055566120. Its totient is φ = 1021515480.

The previous prime is 1038540791. The next prime is 1038540821. The reversal of 1038540799 is 9970458301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9970458301 = 23 ⋅433498187.

It is a cyclic number.

It is not a de Polignac number, because 1038540799 - 2³ = 1038540791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038540791) 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, 8512569 + ... + 8512690.

It is an arithmetic number, because the mean of its divisors is an integer number (263891530).

Almost surely, 2^1038540799 is an apocalyptic number.

1038540799 is a deficient number, since it is larger than the sum of its proper divisors (17025321).

1038540799 is an equidigital number, since it uses as much as digits as its factorization.

1038540799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17025320.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1038540799 is about 32226.3991007373. The cubic root of 1038540799 is about 1012.6853348481.

The spelling of 1038540799 in words is "one billion, thirty-eight million, five hundred forty thousand, seven hundred ninety-nine".