401433002244 has 48 divisors (see below), whose sum is σ = 1040840438400. Its totient is φ = 133799659488.

The previous prime is 401433002203. The next prime is 401433002273. The reversal of 401433002244 is 442200334104.

It is a happy number.

401433002244 is a `hidden beast` number, since 4 + 0 + 1 + 433 + 0 + 0 + 224 + 4 = 666.

It is a super-2 number, since 2×401433002244² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 1174537 + ... + 1477295.

It is an arithmetic number, because the mean of its divisors is an integer number (21684175800).

Almost surely, 2^401433002244 is an apocalyptic number.

It is an amenable number.

401433002244 is an abundant number, since it is smaller than the sum of its proper divisors (639407436156).

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

401433002244 is a wasteful number, since it uses less digits than its factorization.

401433002244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315049 (or 315041 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 401433002244 its reverse (442200334104), we get a palindrome (843633336348).

The spelling of 401433002244 in words is "four hundred one billion, four hundred thirty-three million, two thousand, two hundred forty-four".