4421404243402 has 4 divisors (see below), whose sum is σ = 6632106365106. Its totient is φ = 2210702121700.

The previous prime is 4421404243351. The next prime is 4421404243411. The reversal of 4421404243402 is 2043424041244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3688324091001 + 733080152401 = 1920501^2 + 856201^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105351060849 + ... + 1105351060852.

Almost surely, 2^{4421404243402} is an apocalyptic number.

4421404243402 is a deficient number, since it is larger than the sum of its proper divisors (2210702121704).

4421404243402 is a wasteful number, since it uses less digits than its factorization.

4421404243402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210702121703.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 4421404243402 its reverse (2043424041244), we get a palindrome (6464828284646).

The spelling of 4421404243402 in words is "four trillion, four hundred twenty-one billion, four hundred four million, two hundred forty-three thousand, four hundred two".