253421004030000 has 100 divisors (see below), whose sum is σ = 818076790572888. Its totient is φ = 67578934400000.

The previous prime is 253421004029953. The next prime is 253421004030067. The reversal of 253421004030000 is 30400124352.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4223653401 + ... + 4223713400.

Almost surely, 2^{253421004030000} is an apocalyptic number.

253421004030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253421004030000 is an abundant number, since it is smaller than the sum of its proper divisors (564655786542888).

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

253421004030000 is an equidigital number, since it uses as much as digits as its factorization.

253421004030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8447366832 (or 8447366811 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 253421004030000 its reverse (30400124352), we get a palindrome (253451404154352).

The spelling of 253421004030000 in words is "two hundred fifty-three trillion, four hundred twenty-one billion, four million, thirty thousand".