26642629448 has 12 divisors (see below), whose sum is σ = 49955795865. Its totient is φ = 13321083888.

The previous prime is 26642629373. The next prime is 26642629523. The reversal of 26642629448 is 84492624662.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (26642629373) and next prime (26642629523).

It can be written as a sum of positive squares in 2 ways, for example, as 19797052804 + 6845576644 = 140702^2 + 82738^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=115418.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26642629448.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 432818 + ... + 490526.

Almost surely, 2^26642629448 is an apocalyptic number.

It is an amenable number.

26642629448 is a deficient number, since it is larger than the sum of its proper divisors (23313166417).

26642629448 is an frugal number, since it uses more digits than its factorization.

26642629448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115424 (or 57711 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 53.

The spelling of 26642629448 in words is "twenty-six billion, six hundred forty-two million, six hundred twenty-nine thousand, four hundred forty-eight".