401003340 has 48 divisors (see below), whose sum is σ = 1124147808. Its totient is φ = 106806784.

The previous prime is 401003311. The next prime is 401003399. The reversal of 401003340 is 43300104.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53674 + ... + 60686.

It is an arithmetic number, because the mean of its divisors is an integer number (23419746).

Almost surely, 2^401003340 is an apocalyptic number.

It is an amenable number.

401003340 is an abundant number, since it is smaller than the sum of its proper divisors (723144468).

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

401003340 is a wasteful number, since it uses less digits than its factorization.

401003340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7978 (or 7976 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 401003340 is about 20025.0677901474. The cubic root of 401003340 is about 737.4218413773.

Adding to 401003340 its reverse (43300104), we get a palindrome (444303444).

The spelling of 401003340 in words is "four hundred one million, three thousand, three hundred forty".