26290129152 has 432 divisors, whose sum is σ = 86905647360. Its totient is φ = 7014518784.

The previous prime is 26290129127. The next prime is 26290129153. The reversal of 26290129152 is 25192109262.

It is a self number, because there is not a number n which added to its sum of digits gives 26290129152.

It is not an unprimeable number, because it can be changed into a prime (26290129153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59345443 + ... + 59345885.

It is an arithmetic number, because the mean of its divisors is an integer number (201170480).

Almost surely, 2^26290129152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26290129152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43452823680).

26290129152 is an abundant number, since it is smaller than the sum of its proper divisors (60615518208).

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

26290129152 is a wasteful number, since it uses less digits than its factorization.

26290129152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 26290129152 in words is "twenty-six billion, two hundred ninety million, one hundred twenty-nine thousand, one hundred fifty-two".