26556052642 has 16 divisors (see below), whose sum is σ = 46453737600. Its totient is φ = 11381165124.

The previous prime is 26556052619. The next prime is 26556052643. The reversal of 26556052642 is 24625065562.

It is not an unprimeable number, because it can be changed into a prime (26556052643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19355038 + ... + 19356409.

It is an arithmetic number, because the mean of its divisors is an integer number (2903358600).

Almost surely, 2^26556052642 is an apocalyptic number.

26556052642 is a deficient number, since it is larger than the sum of its proper divisors (19897684958).

26556052642 is an equidigital number, since it uses as much as digits as its factorization.

26556052642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38711470 (or 38711456 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 26556052642 in words is "twenty-six billion, five hundred fifty-six million, fifty-two thousand, six hundred forty-two".