26620444426 has 8 divisors (see below), whose sum is σ = 39957097824. Its totient is φ = 13301411820.

The previous prime is 26620444423. The next prime is 26620444481. The reversal of 26620444426 is 62444402662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×26620444426² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26620444423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4401420 + ... + 4407463.

It is an arithmetic number, because the mean of its divisors is an integer number (4994637228).

Almost surely, 2^26620444426 is an apocalyptic number.

26620444426 is a deficient number, since it is larger than the sum of its proper divisors (13336653398).

26620444426 is a wasteful number, since it uses less digits than its factorization.

26620444426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8810396.

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 26620444426 in words is "twenty-six billion, six hundred twenty million, four hundred forty-four thousand, four hundred twenty-six".