253000000000 has 400 divisors, whose sum is σ = 719296801344. Its totient is φ = 88000000000.

The previous prime is 252999999991. The next prime is 253000000021. The reversal of 253000000000 is 352.

253000000000 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 (400).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 10999999989 + ... + 11000000011.

Almost surely, 2^253000000000 is an apocalyptic number.

253000000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359648400672).

253000000000 is an abundant number, since it is smaller than the sum of its proper divisors (466296801344).

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

253000000000 is an frugal number, since it uses more digits than its factorization.

253000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 10.

Adding to 253000000000 its reverse (352), we get a palindrome (253000000352).

The spelling of 253000000000 in words is "two hundred fifty-three billion", and thus it is an aban number.