2210040140 has 144 divisors (see below), whose sum is σ = 5915669760. Its totient is φ = 685802880.

The previous prime is 2210040139. The next prime is 2210040197. The reversal of 2210040140 is 410400122.

It is a super-2 number, since 2×2210040140² = 9768554840822439200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 4732187 + ... + 4732653.

It is an arithmetic number, because the mean of its divisors is an integer number (41081040).

Almost surely, 2^2210040140 is an apocalyptic number.

2210040140 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 2210040140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2957834880).

2210040140 is an abundant number, since it is smaller than the sum of its proper divisors (3705629620).

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

2210040140 is a wasteful number, since it uses less digits than its factorization.

2210040140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2210040140 is about 47011.0640168886. The cubic root of 2210040140 is about 1302.5669477564.

Adding to 2210040140 its reverse (410400122), we get a palindrome (2620440262).

The spelling of 2210040140 in words is "two billion, two hundred ten million, forty thousand, one hundred forty".