26570649000 has 256 divisors, whose sum is σ = 96534996480. Its totient is φ = 5958451200.

The previous prime is 26570648999. The next prime is 26570649019. The reversal of 26570649000 is 94607562.

It is a self number, because there is not a number n which added to its sum of digits gives 26570649000.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1101064 + ... + 1124936.

It is an arithmetic number, because the mean of its divisors is an integer number (377089830).

Almost surely, 2^26570649000 is an apocalyptic number.

26570649000 is a gapful number since it is divisible by the number (20) 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 26570649000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48267498240).

26570649000 is an abundant number, since it is smaller than the sum of its proper divisors (69964347480).

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

26570649000 is a wasteful number, since it uses less digits than its factorization.

26570649000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23957 (or 23943 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 26570649000 in words is "twenty-six billion, five hundred seventy million, six hundred forty-nine thousand".