2071831040 has 40 divisors (see below), whose sum is σ = 4967544780. Its totient is φ = 828731392.

The previous prime is 2071831039. The next prime is 2071831063. The reversal of 2071831040 is 401381702.

It can be written as a sum of positive squares in 2 ways, for example, as 2060433664 + 11397376 = 45392^2 + 3376^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402095 + ... + 407214.

Almost surely, 2^2071831040 is an apocalyptic number.

2071831040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2071831040 is an abundant number, since it is smaller than the sum of its proper divisors (2895713740).

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

2071831040 is an frugal number, since it uses more digits than its factorization.

2071831040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809332 (or 809316 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2071831040 is about 45517.3707500774. The cubic root of 2071831040 is about 1274.8275640183.

The spelling of 2071831040 in words is "two billion, seventy-one million, eight hundred thirty-one thousand, forty".