1039889533920 has 96 divisors (see below), whose sum is σ = 3275871621120. Its totient is φ = 277285286400.

The previous prime is 1039889533909. The next prime is 1039889533927. The reversal of 1039889533920 is 293359889301.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039889533927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8037745 + ... + 8166095.

It is an arithmetic number, because the mean of its divisors is an integer number (34123662720).

Almost surely, 2^{1039889533920} is an apocalyptic number.

1039889533920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1039889533920 is an abundant number, since it is smaller than the sum of its proper divisors (2235982087200).

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

1039889533920 is a wasteful number, since it uses less digits than its factorization.

1039889533920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145248 (or 145240 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 60.

The spelling of 1039889533920 in words is "one trillion, thirty-nine billion, eight hundred eighty-nine million, five hundred thirty-three thousand, nine hundred twenty".