253155484722 has 64 divisors (see below), whose sum is σ = 592375956480. Its totient is φ = 70614863424.

The previous prime is 253155484721. The next prime is 253155484741. The reversal of 253155484722 is 227484551352.

253155484722 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (253155484721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3946804 + ... + 4010432.

It is an arithmetic number, because the mean of its divisors is an integer number (9255874320).

Almost surely, 2^253155484722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253155484722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296187978240).

253155484722 is an abundant number, since it is smaller than the sum of its proper divisors (339220471758).

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

253155484722 is a wasteful number, since it uses less digits than its factorization.

253155484722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65887.

The product of its digits is 2688000, while the sum is 48.

The spelling of 253155484722 in words is "two hundred fifty-three billion, one hundred fifty-five million, four hundred eighty-four thousand, seven hundred twenty-two".