402421044320203 has 8 divisors (see below), whose sum is σ = 402527572121376. Its totient is φ = 402314517988800.

The previous prime is 402421044320173. The next prime is 402421044320221. The reversal of 402421044320203 is 302023440124204.

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 402421044320203 - 2⁵ = 402421044320171 is a prime.

It is a super-2 number, since 2×402421044320203² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402421044390203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747137650 + ... + 747676072.

It is an arithmetic number, because the mean of its divisors is an integer number (50315946515172).

Almost surely, 2^{402421044320203} is an apocalyptic number.

402421044320203 is a deficient number, since it is larger than the sum of its proper divisors (106527801173).

402421044320203 is a wasteful number, since it uses less digits than its factorization.

402421044320203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734885.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 402421044320203 its reverse (302023440124204), we get a palindrome (704444484444407).

The spelling of 402421044320203 in words is "four hundred two trillion, four hundred twenty-one billion, forty-four million, three hundred twenty thousand, two hundred three".