22757344740 has 192 divisors, whose sum is σ = 76588081920. Its totient is φ = 5576739840.

The previous prime is 22757344721. The next prime is 22757344747. The reversal of 22757344740 is 4744375722.

22757344740 is a `hidden beast` number, since 2 + 2 + 7 + 573 + 4 + 4 + 74 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (22757344747) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1586400 + ... + 1600680.

It is an arithmetic number, because the mean of its divisors is an integer number (398896260).

Almost surely, 2^22757344740 is an apocalyptic number.

22757344740 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 22757344740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38294040960).

22757344740 is an abundant number, since it is smaller than the sum of its proper divisors (53830737180).

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

22757344740 is a wasteful number, since it uses less digits than its factorization.

22757344740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14539 (or 14531 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 45.

The spelling of 22757344740 in words is "twenty-two billion, seven hundred fifty-seven million, three hundred forty-four thousand, seven hundred forty".