401134340 has 24 divisors (see below), whose sum is σ = 842775360. Its totient is φ = 160378848.

The previous prime is 401134337. The next prime is 401134367. The reversal of 401134340 is 43431104.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63359 + ... + 69401.

It is an arithmetic number, because the mean of its divisors is an integer number (35115640).

Almost surely, 2^401134340 is an apocalyptic number.

It is an amenable number.

401134340 is an abundant number, since it is smaller than the sum of its proper divisors (441641020).

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

401134340 is a wasteful number, since it uses less digits than its factorization.

401134340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9371 (or 9369 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 401134340 is about 20028.3384233441. The cubic root of 401134340 is about 737.5021330973.

Adding to 401134340 its reverse (43431104), we get a palindrome (444565444).

The spelling of 401134340 in words is "four hundred one million, one hundred thirty-four thousand, three hundred forty".