253444532342 has 8 divisors (see below), whose sum is σ = 381798416376. Its totient is φ = 126178393552.

The previous prime is 253444532329. The next prime is 253444532359. The reversal of 253444532342 is 243235444352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 253444532342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271935728 + ... + 271936659.

It is an arithmetic number, because the mean of its divisors is an integer number (47724802047).

Almost surely, 2^253444532342 is an apocalyptic number.

253444532342 is a deficient number, since it is larger than the sum of its proper divisors (128353884034).

253444532342 is a wasteful number, since it uses less digits than its factorization.

253444532342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543872622.

The product of its digits is 1382400, while the sum is 41.

Adding to 253444532342 its reverse (243235444352), we get a palindrome (496679976694).

The spelling of 253444532342 in words is "two hundred fifty-three billion, four hundred forty-four million, five hundred thirty-two thousand, three hundred forty-two".