401421002302 has 4 divisors (see below), whose sum is σ = 602131503456. Its totient is φ = 200710501150.

The previous prime is 401421002263. The next prime is 401421002317. The reversal of 401421002302 is 203200124104.

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

It is a super-2 number, since 2×401421002302² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401421002302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100355250574 + ... + 100355250577.

It is an arithmetic number, because the mean of its divisors is an integer number (150532875864).

Almost surely, 2^401421002302 is an apocalyptic number.

401421002302 is a deficient number, since it is larger than the sum of its proper divisors (200710501154).

401421002302 is a wasteful number, since it uses less digits than its factorization.

401421002302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200710501153.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 401421002302 its reverse (203200124104), we get a palindrome (604621126406).

The spelling of 401421002302 in words is "four hundred one billion, four hundred twenty-one million, two thousand, three hundred two".