2080391040 has 896 divisors, whose sum is σ = 9364824000. Its totient is φ = 438939648.

The previous prime is 2080391039. The next prime is 2080391063. The reversal of 2080391040 is 401930802.

It is a tau number, because it is divible by the number of its divisors (896).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 2080390995 and 2080391013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 160030074 + ... + 160030086.

Almost surely, 2^2080391040 is an apocalyptic number.

2080391040 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 2080391040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4682412000).

2080391040 is an abundant number, since it is smaller than the sum of its proper divisors (7284432960).

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

2080391040 is an frugal number, since it uses more digits than its factorization.

2080391040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2080391040 is about 45611.3038620910. The cubic root of 2080391040 is about 1276.5808488134.

The spelling of 2080391040 in words is "two billion, eighty million, three hundred ninety-one thousand, forty".