26385224840 has 64 divisors (see below), whose sum is σ = 65420308800. Its totient is φ = 9515665152.

The previous prime is 26385224837. The next prime is 26385224927. The reversal of 26385224840 is 4842258362.

It is a junction number, because it is equal to n+sod(n) for n = 26385224791 and 26385224800.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567650 + ... + 612369.

It is an arithmetic number, because the mean of its divisors is an integer number (1022192325).

Almost surely, 2^26385224840 is an apocalyptic number.

26385224840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26385224840 is an abundant number, since it is smaller than the sum of its proper divisors (39035083960).

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

26385224840 is a wasteful number, since it uses less digits than its factorization.

26385224840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180086 (or 1180082 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 44.

The spelling of 26385224840 in words is "twenty-six billion, three hundred eighty-five million, two hundred twenty-four thousand, eight hundred forty".