401340302144 has 28 divisors (see below), whose sum is σ = 796452185604. Its totient is φ = 200659436544.

The previous prime is 401340302113. The next prime is 401340302203. The reversal of 401340302144 is 441203043104.

It can be written as a sum of positive squares in 2 ways, for example, as 220817287744 + 180523014400 = 469912^2 + 424880^2 .

It is a super-2 number, since 2×401340302144² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1116974 + ... + 1431890.

Almost surely, 2^401340302144 is an apocalyptic number.

It is an amenable number.

401340302144 is a deficient number, since it is larger than the sum of its proper divisors (395111883460).

401340302144 is a wasteful number, since it uses less digits than its factorization.

401340302144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334842 (or 334832 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 401340302144 its reverse (441203043104), we get a palindrome (842543345248).

The spelling of 401340302144 in words is "four hundred one billion, three hundred forty million, three hundred two thousand, one hundred forty-four".