253451421434200 has 192 divisors, whose sum is σ = 665044179135840. Its totient is φ = 89025984000000.

The previous prime is 253451421434147. The next prime is 253451421434231. The reversal of 253451421434200 is 2434124154352.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4800111 + ... + 23020510.

Almost surely, 2^{253451421434200} is an apocalyptic number.

253451421434200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253451421434200 is an abundant number, since it is smaller than the sum of its proper divisors (411592757701640).

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

253451421434200 is a wasteful number, since it uses less digits than its factorization.

253451421434200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27820790 (or 27820781 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 253451421434200 its reverse (2434124154352), we get a palindrome (255885545588552).

The spelling of 253451421434200 in words is "two hundred fifty-three trillion, four hundred fifty-one billion, four hundred twenty-one million, four hundred thirty-four thousand, two hundred".