40010404 has 24 divisors (see below), whose sum is σ = 80353728. Its totient is φ = 17076000.

The previous prime is 40010393. The next prime is 40010441. The reversal of 40010404 is 40401004.

It is a happy number.

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, 4182 + ... + 9874.

It is an arithmetic number, because the mean of its divisors is an integer number (3348072).

Almost surely, 2^40010404 is an apocalyptic number.

It is an amenable number.

40010404 is an abundant number, since it is smaller than the sum of its proper divisors (40343324).

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

40010404 is a wasteful number, since it uses less digits than its factorization.

40010404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955 (or 5953 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 40010404 is about 6325.3777752795. The cubic root of 40010404 is about 342.0248377479.

Adding to 40010404 its reverse (40401004), we get a palindrome (80411408).

It can be divided in two parts, 400 and 10404, that multiplied together give a square (4161600 = 2040²).

The spelling of 40010404 in words is "forty million, ten thousand, four hundred four".