2030031440 has 160 divisors (see below), whose sum is σ = 5129671680. Its totient is φ = 744726528.

The previous prime is 2030031439. The next prime is 2030031457. The reversal of 2030031440 is 441300302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9103169 + ... + 9103391.

It is an arithmetic number, because the mean of its divisors is an integer number (32060448).

Almost surely, 2^2030031440 is an apocalyptic number.

2030031440 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 2030031440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2564835840).

2030031440 is an abundant number, since it is smaller than the sum of its proper divisors (3099640240).

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

2030031440 is a wasteful number, since it uses less digits than its factorization.

2030031440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2030031440 is about 45055.8702057790. The cubic root of 2030031440 is about 1266.1959537524.

Adding to 2030031440 its reverse (441300302), we get a palindrome (2471331742).

The spelling of 2030031440 in words is "two billion, thirty million, thirty-one thousand, four hundred forty".