26456740047 has 8 divisors (see below), whose sum is σ = 39195170480. Its totient is φ = 17637826680.

The previous prime is 26456740033. The next prime is 26456740091. The reversal of 26456740047 is 74004765462.

26456740047 is a `hidden beast` number, since 2 + 6 + 4 + 567 + 40 + 0 + 47 = 666.

It is not a de Polignac number, because 26456740047 - 2⁶ = 26456739983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26456739984 and 26456740011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26456740027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489939604 + ... + 489939657.

It is an arithmetic number, because the mean of its divisors is an integer number (4899396310).

Almost surely, 2^26456740047 is an apocalyptic number.

26456740047 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

26456740047 is a deficient number, since it is larger than the sum of its proper divisors (12738430433).

26456740047 is an equidigital number, since it uses as much as digits as its factorization.

26456740047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979879270 (or 979879264 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 26456740047 in words is "twenty-six billion, four hundred fifty-six million, seven hundred forty thousand, forty-seven".