401503212204 has 48 divisors (see below), whose sum is σ = 992115669888. Its totient is φ = 125940642048.

The previous prime is 401503212203. The next prime is 401503212211. The reversal of 401503212204 is 402212305104.

It is a super-2 number, since 2×401503212204² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401503212203) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1075467 + ... + 1399869.

It is an arithmetic number, because the mean of its divisors is an integer number (20669076456).

Almost surely, 2^401503212204 is an apocalyptic number.

It is an amenable number.

401503212204 is an abundant number, since it is smaller than the sum of its proper divisors (590612457684).

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

401503212204 is a wasteful number, since it uses less digits than its factorization.

401503212204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330494 (or 330492 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 401503212204 its reverse (402212305104), we get a palindrome (803715517308).

The spelling of 401503212204 in words is "four hundred one billion, five hundred three million, two hundred twelve thousand, two hundred four".