1038917880 has 768 divisors, whose sum is σ = 4804531200. Its totient is φ = 192844800.

The previous prime is 1038917851. The next prime is 1038917881. The reversal of 1038917880 is 887198301.

It is a super-2 number, since 2×1038917880² = 2158700722767388800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038917881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 33513465 + ... + 33513495.

It is an arithmetic number, because the mean of its divisors is an integer number (6255900).

Almost surely, 2^1038917880 is an apocalyptic number.

1038917880 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 1038917880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2402265600).

1038917880 is an abundant number, since it is smaller than the sum of its proper divisors (3765613320).

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

1038917880 is a wasteful number, since it uses less digits than its factorization.

1038917880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 1038917880 is about 32232.2490682856. The cubic root of 1038917880 is about 1012.8078844201.

The spelling of 1038917880 in words is "one billion, thirty-eight million, nine hundred seventeen thousand, eight hundred eighty".