402144244001 has 8 divisors (see below), whose sum is σ = 405009969408. Its totient is φ = 399287574000.

The previous prime is 402144243997. The next prime is 402144244043. The reversal of 402144244001 is 100442441204.

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 402144244001 - 2² = 402144243997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402144244081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2174705 + ... + 2352366.

It is an arithmetic number, because the mean of its divisors is an integer number (50626246176).

Almost surely, 2^402144244001 is an apocalyptic number.

It is an amenable number.

402144244001 is a deficient number, since it is larger than the sum of its proper divisors (2865725407).

402144244001 is a wasteful number, since it uses less digits than its factorization.

402144244001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4527703.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 402144244001 its reverse (100442441204), we get a palindrome (502586685205).

The spelling of 402144244001 in words is "four hundred two billion, one hundred forty-four million, two hundred forty-four thousand, one".