1022401101440 has 32 divisors (see below), whose sum is σ = 2444177634660. Its totient is φ = 408960440320.

The previous prime is 1022401101439. The next prime is 1022401101451. The reversal of 1022401101440 is 441011042201.

It can be written as a sum of positive squares in 2 ways, for example, as 1015370614336 + 7030487104 = 1007656^2 + 83848^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798750221 + ... + 798751500.

Almost surely, 2^{1022401101440} is an apocalyptic number.

1022401101440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022401101440 is an abundant number, since it is smaller than the sum of its proper divisors (1421776533220).

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

1022401101440 is an equidigital number, since it uses as much as digits as its factorization.

1022401101440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597501740 (or 1597501728 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1022401101440 its reverse (441011042201), we get a palindrome (1463412143641).

The spelling of 1022401101440 in words is "one trillion, twenty-two billion, four hundred one million, one hundred one thousand, four hundred forty".