401142020322 has 16 divisors (see below), whose sum is σ = 802321481952. Its totient is φ = 133707766560.

The previous prime is 401142020297. The next prime is 401142020339. The reversal of 401142020322 is 223020241104.

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 in 7 ways as a sum of consecutive naturals, for example, 1419804 + ... + 1678727.

It is an arithmetic number, because the mean of its divisors is an integer number (50145092622).

Almost surely, 2^401142020322 is an apocalyptic number.

401142020322 is an abundant number, since it is smaller than the sum of its proper divisors (401179461630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401142020322 is a wasteful number, since it uses less digits than its factorization.

401142020322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120113.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 401142020322 its reverse (223020241104), we get a palindrome (624162261426).

The spelling of 401142020322 in words is "four hundred one billion, one hundred forty-two million, twenty thousand, three hundred twenty-two".