26236770664456 has 32 divisors (see below), whose sum is σ = 53692571721600. Its totient is φ = 11919927090240.

The previous prime is 26236770664453. The next prime is 26236770664471. The reversal of 26236770664456 is 65446607763262.

It is not an unprimeable number, because it can be changed into a prime (26236770664453) 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, 73292400 + ... + 73649503.

It is an arithmetic number, because the mean of its divisors is an integer number (1677892866300).

Almost surely, 2^{26236770664456} is an apocalyptic number.

It is an amenable number.

26236770664456 is an abundant number, since it is smaller than the sum of its proper divisors (27455801057144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26236770664456 is a wasteful number, since it uses less digits than its factorization.

26236770664456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146943949 (or 146943945 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 64.

The spelling of 26236770664456 in words is "twenty-six trillion, two hundred thirty-six billion, seven hundred seventy million, six hundred sixty-four thousand, four hundred fifty-six".