401433430 has 8 divisors (see below), whose sum is σ = 722580192. Its totient is φ = 160573368.

The previous prime is 401433391. The next prime is 401433443. The reversal of 401433430 is 34334104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×401433430² = 322297597443129800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20071662 + ... + 20071681.

It is an arithmetic number, because the mean of its divisors is an integer number (90322524).

Almost surely, 2^401433430 is an apocalyptic number.

401433430 is a deficient number, since it is larger than the sum of its proper divisors (321146762).

401433430 is a wasteful number, since it uses less digits than its factorization.

401433430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40143350.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 401433430 is about 20035.8037023724. The cubic root of 401433430 is about 737.6853840198.

Adding to 401433430 its reverse (34334104), we get a palindrome (435767534).

The spelling of 401433430 in words is "four hundred one million, four hundred thirty-three thousand, four hundred thirty".