401026471 has 8 divisors (see below), whose sum is σ = 424504080. Its totient is φ = 378192192.

The previous prime is 401026469. The next prime is 401026487. The reversal of 401026471 is 174620104.

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 401026471 - 2¹ = 401026469 is a prime.

It is a super-3 number, since 3×401026471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401026411) 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, 159550 + ... + 162043.

It is an arithmetic number, because the mean of its divisors is an integer number (53063010).

Almost surely, 2^401026471 is an apocalyptic number.

401026471 is a deficient number, since it is larger than the sum of its proper divisors (23477609).

401026471 is a wasteful number, since it uses less digits than its factorization.

401026471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321665.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 401026471 is about 20025.6453329225. The cubic root of 401026471 is about 737.4360199596.

Adding to 401026471 its reverse (174620104), we get a palindrome (575646575).

The spelling of 401026471 in words is "four hundred one million, twenty-six thousand, four hundred seventy-one".