2122310402440 has 16 divisors (see below), whose sum is σ = 4775198405580. Its totient is φ = 848924160960.

The previous prime is 2122310402423. The next prime is 2122310402489. The reversal of 2122310402440 is 442040132212.

It can be written as a sum of positive squares in 2 ways, for example, as 2065791045796 + 56519356644 = 1437286^2 + 237738^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26528879991 + ... + 26528880070.

Almost surely, 2^{2122310402440} is an apocalyptic number.

2122310402440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122310402440 is an abundant number, since it is smaller than the sum of its proper divisors (2652888003140).

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

2122310402440 is a wasteful number, since it uses less digits than its factorization.

2122310402440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53057760072 (or 53057760068 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2122310402440 its reverse (442040132212), we get a palindrome (2564350534652).

The spelling of 2122310402440 in words is "two trillion, one hundred twenty-two billion, three hundred ten million, four hundred two thousand, four hundred forty".