401310340 has 48 divisors (see below), whose sum is σ = 855716400. Its totient is φ = 158072832.

The previous prime is 401310319. The next prime is 401310353. The reversal of 401310340 is 43013104.

401310340 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 65028096 + 336282244 = 8064^2 + 18338^2 .

It is a super-2 number, since 2×401310340² = 322099977981831200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521476 + ... + 522244.

It is an arithmetic number, because the mean of its divisors is an integer number (17827425).

Almost surely, 2^401310340 is an apocalyptic number.

It is an amenable number.

401310340 is an abundant number, since it is smaller than the sum of its proper divisors (454406060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401310340 is a wasteful number, since it uses less digits than its factorization.

401310340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 401310340 is about 20032.7317158694. The cubic root of 401310340 is about 737.6099784279.

Adding to 401310340 its reverse (43013104), we get a palindrome (444323444).

The spelling of 401310340 in words is "four hundred one million, three hundred ten thousand, three hundred forty".