402443030043 has 16 divisors (see below), whose sum is σ = 596222272800. Its totient is φ = 268290684000.

The previous prime is 402443030023. The next prime is 402443030117. The reversal of 402443030043 is 340030344204.

It is not a de Polignac number, because 402443030043 - 2⁸ = 402443029787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 402443029989 and 402443030016.

It is not an unprimeable number, because it can be changed into a prime (402443030023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2232793 + ... + 2406293.

It is an arithmetic number, because the mean of its divisors is an integer number (37263892050).

Almost surely, 2^402443030043 is an apocalyptic number.

402443030043 is a deficient number, since it is larger than the sum of its proper divisors (193779242757).

402443030043 is a wasteful number, since it uses less digits than its factorization.

402443030043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259419 (or 259413 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 402443030043 its reverse (340030344204), we get a palindrome (742473374247).

The spelling of 402443030043 in words is "four hundred two billion, four hundred forty-three million, thirty thousand, forty-three".