26645346434 has 16 divisors (see below), whose sum is σ = 45686133888. Its totient is φ = 11417334912.

The previous prime is 26645346401. The next prime is 26645346437. The reversal of 26645346434 is 43464354662.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26645346437) 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, 94799 + ... + 249554.

It is an arithmetic number, because the mean of its divisors is an integer number (2855383368).

Almost surely, 2^26645346434 is an apocalyptic number.

26645346434 is a deficient number, since it is larger than the sum of its proper divisors (19040787454).

26645346434 is a wasteful number, since it uses less digits than its factorization.

26645346434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349889.

The product of its digits is 4976640, while the sum is 47.

The spelling of 26645346434 in words is "twenty-six billion, six hundred forty-five million, three hundred forty-six thousand, four hundred thirty-four".