2130044040 has 160 divisors (see below), whose sum is σ = 7179036480. Its totient is φ = 566448768.

The previous prime is 2130043991. The next prime is 2130044047. The reversal of 2130044040 is 404400312.

It is a super-2 number, since 2×2130044040² = 9074175224679043200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2130044047) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1629067 + ... + 1630373.

It is an arithmetic number, because the mean of its divisors is an integer number (44868978).

Almost surely, 2^2130044040 is an apocalyptic number.

2130044040 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 2130044040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3589518240).

2130044040 is an abundant number, since it is smaller than the sum of its proper divisors (5048992440).

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

2130044040 is a wasteful number, since it uses less digits than its factorization.

2130044040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2130044040 is about 46152.4001542715. The cubic root of 2130044040 is about 1286.6572187672.

Adding to 2130044040 its reverse (404400312), we get a palindrome (2534444352).

The spelling of 2130044040 in words is "two billion, one hundred thirty million, forty-four thousand, forty".