401552443 has 8 divisors (see below), whose sum is σ = 410379840. Its totient is φ = 392736960.

The previous prime is 401552413. The next prime is 401552449. The reversal of 401552443 is 344255104.

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

It is a cyclic number.

It is not a de Polignac number, because 401552443 - 2²¹ = 399455291 is a prime.

It is a super-2 number, since 2×401552443² = 322488728958536498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401552449) 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 7 ways as a sum of consecutive naturals, for example, 116793 + ... + 120181.

It is an arithmetic number, because the mean of its divisors is an integer number (51297480).

Almost surely, 2^401552443 is an apocalyptic number.

401552443 is a deficient number, since it is larger than the sum of its proper divisors (8827397).

401552443 is a wasteful number, since it uses less digits than its factorization.

401552443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5957.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 401552443 is about 20038.7734904110. The cubic root of 401552443 is about 737.7582773643.

The spelling of 401552443 in words is "four hundred one million, five hundred fifty-two thousand, four hundred forty-three".