26471261544 has 128 divisors (see below), whose sum is σ = 86241335040. Its totient is φ = 6570749952.

The previous prime is 26471261543. The next prime is 26471261573. The reversal of 26471261544 is 44516217462.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 26471261496 and 26471261505.

It is not an unprimeable number, because it can be changed into a prime (26471261543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319359 + ... + 393614.

It is an arithmetic number, because the mean of its divisors is an integer number (673760430).

Almost surely, 2^26471261544 is an apocalyptic number.

26471261544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26471261544 is an abundant number, since it is smaller than the sum of its proper divisors (59770073496).

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

26471261544 is a wasteful number, since it uses less digits than its factorization.

26471261544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713019 (or 713015 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The spelling of 26471261544 in words is "twenty-six billion, four hundred seventy-one million, two hundred sixty-one thousand, five hundred forty-four".