2122036540 has 48 divisors (see below), whose sum is σ = 4817469888. Its totient is φ = 780516864.

The previous prime is 2122036531. The next prime is 2122036559. The reversal of 2122036540 is 456302212.

It is a congruent number.

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, 52864 + ... + 83896.

It is an arithmetic number, because the mean of its divisors is an integer number (100363956).

Almost surely, 2^2122036540 is an apocalyptic number.

2122036540 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 2122036540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2408734944).

2122036540 is an abundant number, since it is smaller than the sum of its proper divisors (2695433348).

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

2122036540 is a wasteful number, since it uses less digits than its factorization.

2122036540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31318 (or 31316 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2122036540 is about 46065.5678354235. The cubic root of 2122036540 is about 1285.0428788550.

Adding to 2122036540 its reverse (456302212), we get a palindrome (2578338752).

The spelling of 2122036540 in words is "two billion, one hundred twenty-two million, thirty-six thousand, five hundred forty".