451730105200000 has 192 divisors, whose sum is σ = 1227100202904240. Its totient is φ = 164265491200000.

The previous prime is 451730105199979. The next prime is 451730105200009. The reversal of 451730105200000 is 2501037154.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451730105200009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46932967 + ... + 55732966.

Almost surely, 2^{451730105200000} is an apocalyptic number.

451730105200000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451730105200000 is an abundant number, since it is smaller than the sum of its proper divisors (775370097704240).

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

451730105200000 is an equidigital number, since it uses as much as digits as its factorization.

451730105200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102665983 (or 102665951 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

Adding to 451730105200000 its reverse (2501037154), we get a palindrome (451732606237154).

The spelling of 451730105200000 in words is "four hundred fifty-one trillion, seven hundred thirty billion, one hundred five million, two hundred thousand".