253451433400 has 96 divisors (see below), whose sum is σ = 665012235600. Its totient is φ = 88986060800.

The previous prime is 253451433329. The next prime is 253451433419. The reversal of 253451433400 is 4334154352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1922497 + ... + 2050096.

Almost surely, 2^253451433400 is an apocalyptic number.

253451433400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253451433400 is an abundant number, since it is smaller than the sum of its proper divisors (411560802200).

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

253451433400 is a wasteful number, since it uses less digits than its factorization.

253451433400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972649 (or 3972640 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 253451433400 its reverse (4334154352), we get a palindrome (257785587752).

The spelling of 253451433400 in words is "two hundred fifty-three billion, four hundred fifty-one million, four hundred thirty-three thousand, four hundred".