1026663220044 has 72 divisors (see below), whose sum is σ = 3235544702208. Its totient is φ = 266665770720.

The previous prime is 1026663220013. The next prime is 1026663220049. The reversal of 1026663220044 is 4400223666201.

1026663220044 is digitally balanced in base 2 and base 12, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1026663220044² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

1026663220044 is strictly pandigital in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 1026663219990 and 1026663220008.

It is not an unprimeable number, because it can be changed into a prime (1026663220049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185181792 + ... + 185187335.

It is an arithmetic number, because the mean of its divisors is an integer number (44938120864).

Almost surely, 2^{1026663220044} is an apocalyptic number.

1026663220044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1026663220044 is an abundant number, since it is smaller than the sum of its proper divisors (2208881482164).

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

1026663220044 is a wasteful number, since it uses less digits than its factorization.

1026663220044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370369155 (or 370369150 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 1026663220044 its reverse (4400223666201), we get a palindrome (5426886886245).

The spelling of 1026663220044 in words is "one trillion, twenty-six billion, six hundred sixty-three million, two hundred twenty thousand, forty-four".