26385025890 has 32 divisors (see below), whose sum is σ = 63340551360. Its totient is φ = 7034174784.

The previous prime is 26385025883. The next prime is 26385025951. The reversal of 26385025890 is 9852058362.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4656 + ... + 229764.

It is an arithmetic number, because the mean of its divisors is an integer number (1979392230).

Almost surely, 2^26385025890 is an apocalyptic number.

26385025890 is an abundant number, since it is smaller than the sum of its proper divisors (36955525470).

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

26385025890 is a wasteful number, since it uses less digits than its factorization.

26385025890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229026.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 26385025890 in words is "twenty-six billion, three hundred eighty-five million, twenty-five thousand, eight hundred ninety".