2032861440 has 144 divisors (see below), whose sum is σ = 6775026048. Its totient is φ = 518504448.

The previous prime is 2032861427. The next prime is 2032861447. The reversal of 2032861440 is 441682302.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2032861398 and 2032861407.

It is not an unprimeable number, because it can be changed into a prime (2032861447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76812 + ... + 99828.

It is an arithmetic number, because the mean of its divisors is an integer number (47048792).

Almost surely, 2^2032861440 is an apocalyptic number.

2032861440 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 2032861440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3387513024).

2032861440 is an abundant number, since it is smaller than the sum of its proper divisors (4742164608).

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

2032861440 is a wasteful number, since it uses less digits than its factorization.

2032861440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23064 (or 23050 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 2032861440 is about 45087.2647207612. The cubic root of 2032861440 is about 1266.7840679118.

The spelling of 2032861440 in words is "two billion, thirty-two million, eight hundred sixty-one thousand, four hundred forty".