26471551380 has 24 divisors (see below), whose sum is σ = 74120344032. Its totient is φ = 7059080352.

The previous prime is 26471551373. The next prime is 26471551387. The reversal of 26471551380 is 8315517462.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26471551373) and next prime (26471551387).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26471551387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220596202 + ... + 220596321.

It is an arithmetic number, because the mean of its divisors is an integer number (3088347668).

Almost surely, 2^26471551380 is an apocalyptic number.

26471551380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26471551380 is an abundant number, since it is smaller than the sum of its proper divisors (47648792652).

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

26471551380 is a wasteful number, since it uses less digits than its factorization.

26471551380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441192535 (or 441192533 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 26471551380 in words is "twenty-six billion, four hundred seventy-one million, five hundred fifty-one thousand, three hundred eighty".