227882605440 has 256 divisors, whose sum is σ = 838208517120. Its totient is φ = 51581435904.

The previous prime is 227882605427. The next prime is 227882605451. The reversal of 227882605440 is 44506288722.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 227882605440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1302012 + ... + 1466628.

It is an arithmetic number, because the mean of its divisors is an integer number (3274252020).

Almost surely, 2^227882605440 is an apocalyptic number.

227882605440 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 227882605440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419104258560).

227882605440 is an abundant number, since it is smaller than the sum of its proper divisors (610325911680).

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

227882605440 is a wasteful number, since it uses less digits than its factorization.

227882605440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164749 (or 164737 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 227882605440 in words is "two hundred twenty-seven billion, eight hundred eighty-two million, six hundred five thousand, four hundred forty".