22530313016540 has 240 divisors, whose sum is σ = 55454624289792. Its totient is φ = 7688581181568.

The previous prime is 22530313016501. The next prime is 22530313016597. The reversal of 22530313016540 is 4561031303522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 22530313016540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10921139549 + ... + 10921141611.

Almost surely, 2^{22530313016540} is an apocalyptic number.

22530313016540 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 22530313016540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27727312144896).

22530313016540 is an abundant number, since it is smaller than the sum of its proper divisors (32924311273252).

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

22530313016540 is a wasteful number, since it uses less digits than its factorization.

22530313016540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054 (or 3031 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 22530313016540 in words is "twenty-two trillion, five hundred thirty billion, three hundred thirteen million, sixteen thousand, five hundred forty".