431421441000 has 256 divisors, whose sum is σ = 1476111237120. Its totient is φ = 104037920000.

The previous prime is 431421440999. The next prime is 431421441029. The reversal of 431421441000 is 144124134.

It is a super-2 number, since 2×431421441000² (a number of 24 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6268777 + ... + 6337223.

It is an arithmetic number, because the mean of its divisors is an integer number (5766059520).

Almost surely, 2^431421441000 is an apocalyptic number.

431421441000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431421441000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738055618560).

431421441000 is an abundant number, since it is smaller than the sum of its proper divisors (1044689796120).

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

431421441000 is a wasteful number, since it uses less digits than its factorization.

431421441000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68673 (or 68659 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 431421441000 its reverse (144124134), we get a palindrome (431565565134).

The spelling of 431421441000 in words is "four hundred thirty-one billion, four hundred twenty-one million, four hundred forty-one thousand".