26543073928 has 32 divisors (see below), whose sum is σ = 57072173760. Its totient is φ = 11336771520.

The previous prime is 26543073923. The next prime is 26543073943. The reversal of 26543073928 is 82937034562.

It is not an unprimeable number, because it can be changed into a prime (26543073923) 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, 792438 + ... + 825253.

It is an arithmetic number, because the mean of its divisors is an integer number (1783505430).

Almost surely, 2^26543073928 is an apocalyptic number.

26543073928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26543073928 is an abundant number, since it is smaller than the sum of its proper divisors (30529099832).

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

26543073928 is a wasteful number, since it uses less digits than its factorization.

26543073928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617997 (or 1617993 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 26543073928 in words is "twenty-six billion, five hundred forty-three million, seventy-three thousand, nine hundred twenty-eight".