26530523442 has 96 divisors (see below), whose sum is σ = 62138793600. Its totient is φ = 8149639680.

The previous prime is 26530523429. The next prime is 26530523533. The reversal of 26530523442 is 24432503562.

26530523442 is a `hidden beast` number, since 2 + 6 + 5 + 305 + 2 + 344 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 26530523397 and 26530523406.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9713217 + ... + 9715947.

It is an arithmetic number, because the mean of its divisors is an integer number (647279100).

Almost surely, 2^26530523442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26530523442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31069396800).

26530523442 is an abundant number, since it is smaller than the sum of its proper divisors (35608270158).

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

26530523442 is a wasteful number, since it uses less digits than its factorization.

26530523442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408 (or 3405 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 26530523442 in words is "twenty-six billion, five hundred thirty million, five hundred twenty-three thousand, four hundred forty-two".