22536377305240 has 128 divisors (see below), whose sum is σ = 52254969883200. Its totient is φ = 8741012797440.

The previous prime is 22536377305157. The next prime is 22536377305243. The reversal of 22536377305240 is 4250377363522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22536377305243) 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, 1523029522 + ... + 1523044318.

Almost surely, 2^{22536377305240} is an apocalyptic number.

22536377305240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22536377305240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26127484941600).

22536377305240 is an abundant number, since it is smaller than the sum of its proper divisors (29718592577960).

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

22536377305240 is a wasteful number, since it uses less digits than its factorization.

22536377305240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18285 (or 18281 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 49.

The spelling of 22536377305240 in words is "twenty-two trillion, five hundred thirty-six billion, three hundred seventy-seven million, three hundred five thousand, two hundred forty".