1039904080 has 80 divisors (see below), whose sum is σ = 2458771200. Its totient is φ = 408972800.

The previous prime is 1039904071. The next prime is 1039904113. The reversal of 1039904080 is 804099301.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1445961 + ... + 1446679.

It is an arithmetic number, because the mean of its divisors is an integer number (30734640).

Almost surely, 2^1039904080 is an apocalyptic number.

1039904080 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 1039904080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229385600).

1039904080 is an abundant number, since it is smaller than the sum of its proper divisors (1418867120).

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

1039904080 is a wasteful number, since it uses less digits than its factorization.

1039904080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1039904080 is about 32247.5437824340. The cubic root of 1039904080 is about 1013.1282547055.

The spelling of 1039904080 in words is "one billion, thirty-nine million, nine hundred four thousand, eighty".