26008630825 has 24 divisors (see below), whose sum is σ = 32799686400. Its totient is φ = 20454994560.

The previous prime is 26008630801. The next prime is 26008630829. The reversal of 26008630825 is 52803680062.

It is a de Polignac number, because none of the positive numbers 2^k-26008630825 is a prime.

It is a super-2 number, since 2×26008630825² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26008630829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431916 + ... + 488434.

It is an arithmetic number, because the mean of its divisors is an integer number (1366653600).

Almost surely, 2^26008630825 is an apocalyptic number.

26008630825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26008630825 is a deficient number, since it is larger than the sum of its proper divisors (6791055575).

26008630825 is a wasteful number, since it uses less digits than its factorization.

26008630825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56841 (or 56836 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 26008630825 in words is "twenty-six billion, eight million, six hundred thirty thousand, eight hundred twenty-five".