2031986880 has 1008 divisors, whose sum is σ = 9485985600. Its totient is φ = 397393920.

The previous prime is 2031986839. The next prime is 2031986903. The reversal of 2031986880 is 886891302.

It is a tau number, because it is divible by the number of its divisors (1008).

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 119528632 + ... + 119528648.

It is an arithmetic number, because the mean of its divisors is an integer number (9410700).

Almost surely, 2^2031986880 is an apocalyptic number.

2031986880 is a gapful number since it is divisible by the number (20) 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 2031986880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4742992800).

2031986880 is an abundant number, since it is smaller than the sum of its proper divisors (7453998720).

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

2031986880 is a wasteful number, since it uses less digits than its factorization.

2031986880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 2031986880 is about 45077.5651516361. The cubic root of 2031986880 is about 1266.6023802400.

The spelling of 2031986880 in words is "two billion, thirty-one million, nine hundred eighty-six thousand, eight hundred eighty".