401332412 has 36 divisors (see below), whose sum is σ = 771951096. Its totient is φ = 182445120.

The previous prime is 401332411. The next prime is 401332433. The reversal of 401332412 is 214233104.

It is a super-2 number, since 2×401332412² = 322135409843475488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401332411) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 40862 + ... + 49722.

It is an arithmetic number, because the mean of its divisors is an integer number (21443086).

Almost surely, 2^401332412 is an apocalyptic number.

It is an amenable number.

401332412 is a deficient number, since it is larger than the sum of its proper divisors (370618684).

401332412 is a wasteful number, since it uses less digits than its factorization.

401332412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8958 (or 8943 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 401332412 is about 20033.2826067023. The cubic root of 401332412 is about 737.6235009875.

Adding to 401332412 its reverse (214233104), we get a palindrome (615565516).

The spelling of 401332412 in words is "four hundred one million, three hundred thirty-two thousand, four hundred twelve".