26020642004 has 12 divisors (see below), whose sum is σ = 52041284064. Its totient is φ = 11151703704.

The previous prime is 26020641991. The next prime is 26020642061. The reversal of 26020642004 is 40024602062.

26020642004 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464654294 + ... + 464654349.

It is an arithmetic number, because the mean of its divisors is an integer number (4336773672).

Almost surely, 2^26020642004 is an apocalyptic number.

It is an amenable number.

26020642004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26020642004 is a wasteful number, since it uses less digits than its factorization.

26020642004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929308654 (or 929308652 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 26020642004 in words is "twenty-six billion, twenty million, six hundred forty-two thousand, four".