2031522480 has 240 divisors, whose sum is σ = 7409525760. Its totient is φ = 495839232.

The previous prime is 2031522443. The next prime is 2031522497. The reversal of 2031522480 is 842251302.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1187866 + ... + 1189574.

It is an arithmetic number, because the mean of its divisors is an integer number (30873024).

Almost surely, 2^2031522480 is an apocalyptic number.

2031522480 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 2031522480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3704762880).

2031522480 is an abundant number, since it is smaller than the sum of its proper divisors (5378003280).

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

2031522480 is a wasteful number, since it uses less digits than its factorization.

2031522480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868 (or 1859 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2031522480 is about 45072.4137361202. The cubic root of 2031522480 is about 1266.5058810995.

Adding to 2031522480 its reverse (842251302), we get a palindrome (2873773782).

The spelling of 2031522480 in words is "two billion, thirty-one million, five hundred twenty-two thousand, four hundred eighty".