2130504440 has 32 divisors (see below), whose sum is σ = 4811348160. Its totient is φ = 849052800.

The previous prime is 2130504433. The next prime is 2130504449. The reversal of 2130504440 is 444050312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130504449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87431 + ... + 109110.

It is an arithmetic number, because the mean of its divisors is an integer number (150354630).

Almost surely, 2^2130504440 is an apocalyptic number.

2130504440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130504440 is an abundant number, since it is smaller than the sum of its proper divisors (2680843720).

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

2130504440 is a wasteful number, since it uses less digits than its factorization.

2130504440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196823 (or 196819 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2130504440 is about 46157.3877077115. The cubic root of 2130504440 is about 1286.7499139256.

Adding to 2130504440 its reverse (444050312), we get a palindrome (2574554752).

The spelling of 2130504440 in words is "two billion, one hundred thirty million, five hundred four thousand, four hundred forty".