253445320323330 has 32 divisors (see below), whose sum is σ = 608283389752128. Its totient is φ = 67583794200000.

The previous prime is 253445320323263. The next prime is 253445320323359. The reversal of 253445320323330 is 33323023544352.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100265421 + ... + 102762080.

It is an arithmetic number, because the mean of its divisors is an integer number (19008855929754).

Almost surely, 2^{253445320323330} is an apocalyptic number.

253445320323330 is an abundant number, since it is smaller than the sum of its proper divisors (354838069428798).

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

253445320323330 is a wasteful number, since it uses less digits than its factorization.

253445320323330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203069122.

The product of its (nonzero) digits is 2332800, while the sum is 42.

Adding to 253445320323330 its reverse (33323023544352), we get a palindrome (286768343867682).

The spelling of 253445320323330 in words is "two hundred fifty-three trillion, four hundred forty-five billion, three hundred twenty million, three hundred twenty-three thousand, three hundred thirty".