401413143 has 16 divisors (see below), whose sum is σ = 538845696. Its totient is φ = 265801920.

The previous prime is 401413139. The next prime is 401413153. The reversal of 401413143 is 341314104.

It is not a de Polignac number, because 401413143 - 2² = 401413139 is a prime.

It is a super-2 number, since 2×401413143² = 322265022746276898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401413153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365371 + ... + 366467.

It is an arithmetic number, because the mean of its divisors is an integer number (33677856).

Almost surely, 2^401413143 is an apocalyptic number.

401413143 is a deficient number, since it is larger than the sum of its proper divisors (137432553).

401413143 is a wasteful number, since it uses less digits than its factorization.

401413143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 401413143 is about 20035.2974272907. The cubic root of 401413143 is about 737.6729571562.

Adding to 401413143 its reverse (341314104), we get a palindrome (742727247).

The spelling of 401413143 in words is "four hundred one million, four hundred thirteen thousand, one hundred forty-three".