26356444642 has 16 divisors (see below), whose sum is σ = 43154721792. Its totient is φ = 11972981520.

The previous prime is 26356444637. The next prime is 26356444727. The reversal of 26356444642 is 24644465362.

It is a junction number, because it is equal to n+sod(n) for n = 26356444592 and 26356444601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323613 + ... + 396784.

It is an arithmetic number, because the mean of its divisors is an integer number (2697170112).

Almost surely, 2^26356444642 is an apocalyptic number.

26356444642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26356444642 is a deficient number, since it is larger than the sum of its proper divisors (16798277150).

26356444642 is a wasteful number, since it uses less digits than its factorization.

26356444642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722073.

The product of its digits is 3317760, while the sum is 46.

The spelling of 26356444642 in words is "twenty-six billion, three hundred fifty-six million, four hundred forty-four thousand, six hundred forty-two".