401432630 has 8 divisors (see below), whose sum is σ = 722578752. Its totient is φ = 160573048.

The previous prime is 401432623. The next prime is 401432677. The reversal of 401432630 is 36234104.

It is a happy number.

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

It is a super-2 number, since 2×401432630² = 322296312857433800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401432596 and 401432605.

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, 20071622 + ... + 20071641.

It is an arithmetic number, because the mean of its divisors is an integer number (90322344).

Almost surely, 2^401432630 is an apocalyptic number.

401432630 is a deficient number, since it is larger than the sum of its proper divisors (321146122).

401432630 is a wasteful number, since it uses less digits than its factorization.

401432630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40143270.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 401432630 is about 20035.7837381022. The cubic root of 401432630 is about 737.6848939853.

Adding to 401432630 its reverse (36234104), we get a palindrome (437666734).

The spelling of 401432630 in words is "four hundred one million, four hundred thirty-two thousand, six hundred thirty".