26651135340 has 72 divisors (see below), whose sum is σ = 81265137408. Its totient is φ = 7069751040.

The previous prime is 26651135279. The next prime is 26651135341. The reversal of 26651135340 is 4353115662.

26651135340 is a `hidden beast` number, since 2 + 6 + 6 + 5 + 113 + 534 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26651135295 and 26651135304.

It is not an unprimeable number, because it can be changed into a prime (26651135341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353217 + ... + 421976.

It is an arithmetic number, because the mean of its divisors is an integer number (1128682464).

Almost surely, 2^26651135340 is an apocalyptic number.

26651135340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26651135340 is an abundant number, since it is smaller than the sum of its proper divisors (54614002068).

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

26651135340 is a wasteful number, since it uses less digits than its factorization.

26651135340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775399 (or 775394 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 26651135340 in words is "twenty-six billion, six hundred fifty-one million, one hundred thirty-five thousand, three hundred forty".