26397033900 has 144 divisors (see below), whose sum is σ = 81010814976. Its totient is φ = 6613447680.

The previous prime is 26397033881. The next prime is 26397033919. The reversal of 26397033900 is 933079362.

It is an interprime number because it is at equal distance from previous prime (26397033881) and next prime (26397033919).

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, 3091437 + ... + 3099963.

It is an arithmetic number, because the mean of its divisors is an integer number (562575104).

Almost surely, 2^26397033900 is an apocalyptic number.

26397033900 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 26397033900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40505407488).

26397033900 is an abundant number, since it is smaller than the sum of its proper divisors (54613781076).

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

26397033900 is a wasteful number, since it uses less digits than its factorization.

26397033900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168 (or 9161 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 42.

The spelling of 26397033900 in words is "twenty-six billion, three hundred ninety-seven million, thirty-three thousand, nine hundred".