43402404412100 has 72 divisors (see below), whose sum is σ = 97437185261640. Its totient is φ = 16761229112320.

The previous prime is 43402404412091. The next prime is 43402404412121. The reversal of 43402404412100 is 121440420434.

It can be written as a sum of positive squares in 12 ways, for example, as 3964104892036 + 39438299520064 = 1991006^2 + 6279992^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45337592 + ... + 46285008.

It is an arithmetic number, because the mean of its divisors is an integer number (1353294239745).

Almost surely, 2^{43402404412100} is an apocalyptic number.

It is an amenable number.

43402404412100 is an abundant number, since it is smaller than the sum of its proper divisors (54034780849540).

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

43402404412100 is a wasteful number, since it uses less digits than its factorization.

43402404412100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963257 (or 963250 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 43402404412100 its reverse (121440420434), we get a palindrome (43523844832534).

The spelling of 43402404412100 in words is "forty-three trillion, four hundred two billion, four hundred four million, four hundred twelve thousand, one hundred".