26425443550 has 48 divisors (see below), whose sum is σ = 53854030800. Its totient is φ = 9567244800.

The previous prime is 26425443547. The next prime is 26425443571. The reversal of 26425443550 is 5534452462.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21046 + ... + 230854.

It is an arithmetic number, because the mean of its divisors is an integer number (1121958975).

Almost surely, 2^26425443550 is an apocalyptic number.

26425443550 is an abundant number, since it is smaller than the sum of its proper divisors (27428587250).

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

26425443550 is a wasteful number, since it uses less digits than its factorization.

26425443550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210061 (or 210056 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 26425443550 in words is "twenty-six billion, four hundred twenty-five million, four hundred forty-three thousand, five hundred fifty".