2210120040 has 64 divisors (see below), whose sum is σ = 6682613760. Its totient is φ = 584720640.

The previous prime is 2210120027. The next prime is 2210120051. The reversal of 2210120040 is 400210122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2210119998 and 2210120025.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57271 + ... + 87750.

It is an arithmetic number, because the mean of its divisors is an integer number (104415840).

Almost surely, 2^2210120040 is an apocalyptic number.

2210120040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210120040 is an abundant number, since it is smaller than the sum of its proper divisors (4472493720).

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

2210120040 is a wasteful number, since it uses less digits than its factorization.

2210120040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145162 (or 145158 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2210120040 is about 47011.9138091612. The cubic root of 2210120040 is about 1302.5826448838.

Adding to 2210120040 its reverse (400210122), we get a palindrome (2610330162).

The spelling of 2210120040 in words is "two billion, two hundred ten million, one hundred twenty thousand, forty".