253503325221040 has 80 divisors (see below), whose sum is σ = 624068943825888. Its totient is φ = 95436025253888.

The previous prime is 253503325221019. The next prime is 253503325221077. The reversal of 253503325221040 is 40122523305352.

253503325221040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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, 325797894 + ... + 326575066.

Almost surely, 2^{253503325221040} is an apocalyptic number.

253503325221040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253503325221040 is an abundant number, since it is smaller than the sum of its proper divisors (370565618604848).

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

253503325221040 is a wasteful number, since it uses less digits than its factorization.

253503325221040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017046 (or 1017040 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 253503325221040 its reverse (40122523305352), we get a palindrome (293625848526392).

The spelling of 253503325221040 in words is "two hundred fifty-three trillion, five hundred three billion, three hundred twenty-five million, two hundred twenty-one thousand, forty".