43404131002000 has 160 divisors (see below), whose sum is σ = 106381877981184. Its totient is φ = 17126436096000.

The previous prime is 43404131001991. The next prime is 43404131002003. The reversal of 43404131002000 is 20013140434.

It is not an unprimeable number, because it can be changed into a prime (43404131002003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47230897 + ... + 48141103.

Almost surely, 2^{43404131002000} is an apocalyptic number.

43404131002000 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 43404131002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53190938990592).

43404131002000 is an abundant number, since it is smaller than the sum of its proper divisors (62977746979184).

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

43404131002000 is a wasteful number, since it uses less digits than its factorization.

43404131002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910554 (or 910538 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 43404131002000 its reverse (20013140434), we get a palindrome (43424144142434).

The spelling of 43404131002000 in words is "forty-three trillion, four hundred four billion, one hundred thirty-one million, two thousand".