14535222640 has 80 divisors (see below), whose sum is σ = 34267985280. Its totient is φ = 5732812800.

The previous prime is 14535222631. The next prime is 14535222641. The reversal of 14535222640 is 4622253541.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×14535222640² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14535222596 and 14535222605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14535222641) 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, 8069740 + ... + 8071540.

It is an arithmetic number, because the mean of its divisors is an integer number (428349816).

Almost surely, 2^14535222640 is an apocalyptic number.

14535222640 is a gapful number since it is divisible by the number (10) 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 14535222640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17133992640).

14535222640 is an abundant number, since it is smaller than the sum of its proper divisors (19732762640).

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

14535222640 is a wasteful number, since it uses less digits than its factorization.

14535222640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170 (or 3164 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 14535222640 in words is "fourteen billion, five hundred thirty-five million, two hundred twenty-two thousand, six hundred forty".