22026145240 has 64 divisors (see below), whose sum is σ = 54118640160. Its totient is φ = 8001438720.

The previous prime is 22026145231. The next prime is 22026145249. The reversal of 22026145240 is 4254162022.

It is an interprime number because it is at equal distance from previous prime (22026145231) and next prime (22026145249).

It is a junction number, because it is equal to n+sod(n) for n = 22026145199 and 22026145208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22026145249) 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, 421012 + ... + 470428.

Almost surely, 2^22026145240 is an apocalyptic number.

22026145240 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 22026145240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27059320080).

22026145240 is an abundant number, since it is smaller than the sum of its proper divisors (32092494920).

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

22026145240 is a wasteful number, since it uses less digits than its factorization.

22026145240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50452 (or 50448 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 22026145240 in words is "twenty-two billion, twenty-six million, one hundred forty-five thousand, two hundred forty".