26504040992 has 288 divisors, whose sum is σ = 65046893184. Its totient is φ = 10476748800.

The previous prime is 26504040949. The next prime is 26504041001. The reversal of 26504040992 is 29904040562.

It is a happy number.

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, 273237488 + ... + 273237584.

It is an arithmetic number, because the mean of its divisors is an integer number (225857268).

Almost surely, 2^26504040992 is an apocalyptic number.

26504040992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26504040992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32523446592).

26504040992 is an abundant number, since it is smaller than the sum of its proper divisors (38542852192).

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

26504040992 is a wasteful number, since it uses less digits than its factorization.

26504040992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 26504040992 in words is "twenty-six billion, five hundred four million, forty thousand, nine hundred ninety-two".