402043340444443 has 8 divisors (see below), whose sum is σ = 403250361787728. Its totient is φ = 400836402027264.

The previous prime is 402043340444423. The next prime is 402043340444483. The reversal of 402043340444443 is 344444043340204.

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 402043340444443 - 2⁵ = 402043340444411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402043340444443.

It is not an unprimeable number, because it can be changed into a prime (402043340444423) 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, 11013721 + ... + 30420202.

It is an arithmetic number, because the mean of its divisors is an integer number (50406295223466).

Almost surely, 2^{402043340444443} is an apocalyptic number.

402043340444443 is a deficient number, since it is larger than the sum of its proper divisors (1207021343285).

402043340444443 is a wasteful number, since it uses less digits than its factorization.

402043340444443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41463053.

The product of its (nonzero) digits is 3538944, while the sum is 43.

Adding to 402043340444443 its reverse (344444043340204), we get a palindrome (746487383784647).

The spelling of 402043340444443 in words is "four hundred two trillion, forty-three billion, three hundred forty million, four hundred forty-four thousand, four hundred forty-three".