4021444432402 has 8 divisors (see below), whose sum is σ = 6032419249536. Its totient is φ = 2010638015892.

The previous prime is 4021444432391. The next prime is 4021444432429. The reversal of 4021444432402 is 2042344441204.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42040438 + ... + 42135985.

It is an arithmetic number, because the mean of its divisors is an integer number (754052406192).

Almost surely, 2^{4021444432402} is an apocalyptic number.

4021444432402 is a deficient number, since it is larger than the sum of its proper divisors (2010974817134).

4021444432402 is a wasteful number, since it uses less digits than its factorization.

4021444432402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84200312.

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

Adding to 4021444432402 its reverse (2042344441204), we get a palindrome (6063788873606).

The spelling of 4021444432402 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred thirty-two thousand, four hundred two".