1022440300440 has 128 divisors (see below), whose sum is σ = 3323534941440. Its totient is φ = 250133515776.

The previous prime is 1022440300373. The next prime is 1022440300451. The reversal of 1022440300440 is 440030442201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1022440300440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1756182 + ... + 2264741.

It is an arithmetic number, because the mean of its divisors is an integer number (25965116730).

Almost surely, 2^{1022440300440} is an apocalyptic number.

1022440300440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022440300440 is an abundant number, since it is smaller than the sum of its proper divisors (2301094641000).

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

1022440300440 is a wasteful number, since it uses less digits than its factorization.

1022440300440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021113 (or 4021109 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1022440300440 its reverse (440030442201), we get a palindrome (1462470742641).

The spelling of 1022440300440 in words is "one trillion, twenty-two billion, four hundred forty million, three hundred thousand, four hundred forty".