43403340042401 has 8 divisors (see below), whose sum is σ = 45962414593704. Its totient is φ = 40844925146880.

The previous prime is 43403340042353. The next prime is 43403340042427. The reversal of 43403340042401 is 10424004330434.

It can be written as a sum of positive squares in 4 ways, for example, as 1553774715025 + 41849565327376 = 1246505^2 + 6469124^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43403340042401 - 2²² = 43403335848097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43403340042481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164778470 + ... + 165041663.

It is an arithmetic number, because the mean of its divisors is an integer number (5745301824213).

Almost surely, 2^{43403340042401} is an apocalyptic number.

It is an amenable number.

43403340042401 is a deficient number, since it is larger than the sum of its proper divisors (2559074551303).

43403340042401 is a wasteful number, since it uses less digits than its factorization.

43403340042401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329827891.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 43403340042401 its reverse (10424004330434), we get a palindrome (53827344372835).

The spelling of 43403340042401 in words is "forty-three trillion, four hundred three billion, three hundred forty million, forty-two thousand, four hundred one".