401111322402 has 64 divisors (see below), whose sum is σ = 928508313600. Its totient is φ = 113152149696.

The previous prime is 401111322371. The next prime is 401111322421. The reversal of 401111322402 is 204223111104.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 853183 + ... + 1236989.

It is an arithmetic number, because the mean of its divisors is an integer number (14507942400).

Almost surely, 2^401111322402 is an apocalyptic number.

401111322402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

401111322402 is an abundant number, since it is smaller than the sum of its proper divisors (527396991198).

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

401111322402 is a wasteful number, since it uses less digits than its factorization.

401111322402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384135.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 401111322402 its reverse (204223111104), we get a palindrome (605334433506).

The spelling of 401111322402 in words is "four hundred one billion, one hundred eleven million, three hundred twenty-two thousand, four hundred two".