404010340 has 24 divisors (see below), whose sum is σ = 848816640. Its totient is φ = 161528928.

The previous prime is 404010331. The next prime is 404010359. The reversal of 404010340 is 43010404.

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, 63421 + ... + 69499.

It is an arithmetic number, because the mean of its divisors is an integer number (35367360).

Almost surely, 2^404010340 is an apocalyptic number.

It is an amenable number.

404010340 is an abundant number, since it is smaller than the sum of its proper divisors (444806300).

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

404010340 is a wasteful number, since it uses less digits than its factorization.

404010340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9411 (or 9409 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 404010340 is about 20100.0084577097. The cubic root of 404010340 is about 739.2604859560.

Adding to 404010340 its reverse (43010404), we get a palindrome (447020744).

The spelling of 404010340 in words is "four hundred four million, ten thousand, three hundred forty".