26221040363522 has 64 divisors (see below), whose sum is σ = 40914687800448. Its totient is φ = 12594464064000.

The previous prime is 26221040363489. The next prime is 26221040363543. The reversal of 26221040363522 is 22536304012262.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1236189497 + ... + 1236210707.

It is an arithmetic number, because the mean of its divisors is an integer number (639291996882).

Almost surely, 2^{26221040363522} is an apocalyptic number.

26221040363522 is a deficient number, since it is larger than the sum of its proper divisors (14693647436926).

26221040363522 is a wasteful number, since it uses less digits than its factorization.

26221040363522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22275.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 26221040363522 its reverse (22536304012262), we get a palindrome (48757344375784).

The spelling of 26221040363522 in words is "twenty-six trillion, two hundred twenty-one billion, forty million, three hundred sixty-three thousand, five hundred twenty-two".