404034540 has 96 divisors (see below), whose sum is σ = 1392384000. Its totient is φ = 85245696.

The previous prime is 404034511. The next prime is 404034557. The reversal of 404034540 is 45430404.

It is a self number, because there is not a number n which added to its sum of digits gives 404034540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31540 + ... + 42459.

It is an arithmetic number, because the mean of its divisors is an integer number (14504000).

Almost surely, 2^404034540 is an apocalyptic number.

It is an amenable number.

404034540 is an abundant number, since it is smaller than the sum of its proper divisors (988349460).

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

404034540 is a wasteful number, since it uses less digits than its factorization.

404034540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74031 (or 74029 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 404034540 is about 20100.6104384917. The cubic root of 404034540 is about 739.2752460952.

Adding to 404034540 its reverse (45430404), we get a palindrome (449464944).

The spelling of 404034540 in words is "four hundred four million, thirty-four thousand, five hundred forty".