26848251540 has 144 divisors (see below), whose sum is σ = 91244724480. Its totient is φ = 6332739840.

The previous prime is 26848251539. The next prime is 26848251541. The reversal of 26848251540 is 4515284862.

26848251540 is a `hidden beast` number, since 2 + 6 + 84 + 8 + 25 + 1 + 540 = 666.

It is an interprime number because it is at equal distance from previous prime (26848251539) and next prime (26848251541).

It is a super-2 number, since 2×26848251540² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26848251541) 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, 109980 + ... + 256499.

It is an arithmetic number, because the mean of its divisors is an integer number (633643920).

Almost surely, 2^26848251540 is an apocalyptic number.

26848251540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26848251540 is an abundant number, since it is smaller than the sum of its proper divisors (64396472940).

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

26848251540 is a wasteful number, since it uses less digits than its factorization.

26848251540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366542 (or 366537 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 26848251540 in words is "twenty-six billion, eight hundred forty-eight million, two hundred fifty-one thousand, five hundred forty".