253240534720030 has 128 divisors (see below), whose sum is σ = 535870102674816. Its totient is φ = 84948905779200.

The previous prime is 253240534719973. The next prime is 253240534720039. The reversal of 253240534720030 is 30027435042352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253240534720039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17807498320 + ... + 17807512540.

It is an arithmetic number, because the mean of its divisors is an integer number (4186485177147).

Almost surely, 2^{253240534720030} is an apocalyptic number.

253240534720030 is an abundant number, since it is smaller than the sum of its proper divisors (282629567954786).

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

253240534720030 is a wasteful number, since it uses less digits than its factorization.

253240534720030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21422.

The product of its (nonzero) digits is 604800, while the sum is 40.

Adding to 253240534720030 its reverse (30027435042352), we get a palindrome (283267969762382).

The spelling of 253240534720030 in words is "two hundred fifty-three trillion, two hundred forty billion, five hundred thirty-four million, seven hundred twenty thousand, thirty".