26445506542 has 16 divisors (see below), whose sum is σ = 48822473952. Its totient is φ = 10461958560.

The previous prime is 26445506531. The next prime is 26445506597. The reversal of 26445506542 is 24560554462.

It is a happy number.

It is a congruent number.

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, 72652309 + ... + 72652672.

It is an arithmetic number, because the mean of its divisors is an integer number (3051404622).

Almost surely, 2^26445506542 is an apocalyptic number.

26445506542 is a deficient number, since it is larger than the sum of its proper divisors (22376967410).

26445506542 is a wasteful number, since it uses less digits than its factorization.

26445506542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145305003.

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 26445506542 in words is "twenty-six billion, four hundred forty-five million, five hundred six thousand, five hundred forty-two".