26406042626220 has 48 divisors (see below), whose sum is σ = 73937327935968. Its totient is φ = 7041572454400.

The previous prime is 26406042626147. The next prime is 26406042626237. The reversal of 26406042626220 is 2262624060462.

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, 10696492 + ... + 12931628.

It is an arithmetic number, because the mean of its divisors is an integer number (1540360998666).

Almost surely, 2^{26406042626220} is an apocalyptic number.

26406042626220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26406042626220 is an abundant number, since it is smaller than the sum of its proper divisors (47531285309748).

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

26406042626220 is a wasteful number, since it uses less digits than its factorization.

26406042626220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432050 (or 2432048 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

Adding to 26406042626220 its reverse (2262624060462), we get a palindrome (28668666686682).

The spelling of 26406042626220 in words is "twenty-six trillion, four hundred six billion, forty-two million, six hundred twenty-six thousand, two hundred twenty".