253000430544 has 40 divisors (see below), whose sum is σ = 657006377472. Its totient is φ = 83891937280.

The previous prime is 253000430513. The next prime is 253000430581. The reversal of 253000430544 is 445034000352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13788849 + ... + 13807184.

Almost surely, 2^253000430544 is an apocalyptic number.

253000430544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

253000430544 is an abundant number, since it is smaller than the sum of its proper divisors (404005946928).

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

253000430544 is a wasteful number, since it uses less digits than its factorization.

253000430544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27596235 (or 27596229 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 253000430544 its reverse (445034000352), we get a palindrome (698034430896).

The spelling of 253000430544 in words is "two hundred fifty-three billion, four hundred thirty thousand, five hundred forty-four".