26216345560 has 64 divisors (see below), whose sum is σ = 61608016800. Its totient is φ = 10030150656.

The previous prime is 26216345539. The next prime is 26216345563. The reversal of 26216345560 is 6554361262.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26216345563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62797 + ... + 237436.

Almost surely, 2^26216345560 is an apocalyptic number.

26216345560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26216345560 is an abundant number, since it is smaller than the sum of its proper divisors (35391671240).

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

26216345560 is a wasteful number, since it uses less digits than its factorization.

26216345560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300340 (or 300336 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 26216345560 in words is "twenty-six billion, two hundred sixteen million, three hundred forty-five thousand, five hundred sixty".