1122200402440 has 64 divisors (see below), whose sum is σ = 2720955908160. Its totient is φ = 414079983360.

The previous prime is 1122200402419. The next prime is 1122200402489. The reversal of 1122200402440 is 442040022211.

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, 91327 + ... + 1500913.

It is an arithmetic number, because the mean of its divisors is an integer number (42514936065).

Almost surely, 2^{1122200402440} is an apocalyptic number.

1122200402440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122200402440 is an abundant number, since it is smaller than the sum of its proper divisors (1598755505720).

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

1122200402440 is a wasteful number, since it uses less digits than its factorization.

1122200402440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411142 (or 1411138 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 1122200402440 its reverse (442040022211), we get a palindrome (1564240424651).

The spelling of 1122200402440 in words is "one trillion, one hundred twenty-two billion, two hundred million, four hundred two thousand, four hundred forty".