401002471 has 8 divisors (see below), whose sum is σ = 408143024. Its totient is φ = 393880320.

The previous prime is 401002439. The next prime is 401002501. The reversal of 401002471 is 174200104.

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 401002471 - 2⁵ = 401002439 is a prime.

It is a super-3 number, since 3×401002471³ (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 (401006471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43831 + ... + 52183.

It is an arithmetic number, because the mean of its divisors is an integer number (51017878).

Almost surely, 2^401002471 is an apocalyptic number.

401002471 is a deficient number, since it is larger than the sum of its proper divisors (7140553).

401002471 is an equidigital number, since it uses as much as digits as its factorization.

401002471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9201.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 401002471 is about 20025.0460923315. The cubic root of 401002471 is about 737.4213086967.

Adding to 401002471 its reverse (174200104), we get a palindrome (575202575).

The spelling of 401002471 in words is "four hundred one million, two thousand, four hundred seventy-one".