43402443242 has 16 divisors (see below), whose sum is σ = 68610564960. Its totient is φ = 20534934672.

The previous prime is 43402443211. The next prime is 43402443269. The reversal of 43402443242 is 24234420434.

It is a junction number, because it is equal to n+sod(n) for n = 43402443199 and 43402443208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637088 + ... + 701915.

It is an arithmetic number, because the mean of its divisors is an integer number (4288160310).

Almost surely, 2^43402443242 is an apocalyptic number.

43402443242 is a deficient number, since it is larger than the sum of its proper divisors (25208121718).

43402443242 is a wasteful number, since it uses less digits than its factorization.

43402443242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339877.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 43402443242 its reverse (24234420434), we get a palindrome (67636863676).

The spelling of 43402443242 in words is "forty-three billion, four hundred two million, four hundred forty-three thousand, two hundred forty-two".