2108489040 has 120 divisors (see below), whose sum is σ = 8092601088. Its totient is φ = 481939200.

The previous prime is 2108489027. The next prime is 2108489041. The reversal of 2108489040 is 409848012.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2108488986 and 2108489004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108489041) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 204136 + ... + 214215.

Almost surely, 2^2108489040 is an apocalyptic number.

2108489040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2108489040 is an abundant number, since it is smaller than the sum of its proper divisors (5984112048).

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

2108489040 is a wasteful number, since it uses less digits than its factorization.

2108489040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418377 (or 418368 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 2108489040 is about 45918.2865533983. The cubic root of 2108489040 is about 1282.3023828294.

The spelling of 2108489040 in words is "two billion, one hundred eight million, four hundred eighty-nine thousand, forty".