421311244143000 has 64 divisors (see below), whose sum is σ = 1314491081735520. Its totient is φ = 112349665104000.

The previous prime is 421311244142989. The next prime is 421311244143007. The reversal of 421311244143000 is 341442113124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421311244143007) 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 15 ways as a sum of consecutive naturals, for example, 70218537691 + ... + 70218543690.

Almost surely, 2^{421311244143000} is an apocalyptic number.

421311244143000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421311244143000 is an abundant number, since it is smaller than the sum of its proper divisors (893179837592520).

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

421311244143000 is a wasteful number, since it uses less digits than its factorization.

421311244143000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140437081405 (or 140437081391 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 421311244143000 its reverse (341442113124), we get a palindrome (421652686256124).

The spelling of 421311244143000 in words is "four hundred twenty-one trillion, three hundred eleven billion, two hundred forty-four million, one hundred forty-three thousand".