26006215454 has 4 divisors (see below), whose sum is σ = 39009323184. Its totient is φ = 13003107726.

The previous prime is 26006215453. The next prime is 26006215507. The reversal of 26006215454 is 45451260062.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×26006215454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26006215453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501553862 + ... + 6501553865.

It is an arithmetic number, because the mean of its divisors is an integer number (9752330796).

Almost surely, 2^26006215454 is an apocalyptic number.

26006215454 is a deficient number, since it is larger than the sum of its proper divisors (13003107730).

26006215454 is a wasteful number, since it uses less digits than its factorization.

26006215454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13003107729.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 26006215454 in words is "twenty-six billion, six million, two hundred fifteen thousand, four hundred fifty-four".