40402104 has 32 divisors (see below), whose sum is σ = 104490000. Its totient is φ = 13002752.

The previous prime is 40402091. The next prime is 40402123. The reversal of 40402104 is 40120404.

40402104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 28329 + ... + 29720.

Almost surely, 2^40402104 is an apocalyptic number.

It is an amenable number.

40402104 is an abundant number, since it is smaller than the sum of its proper divisors (64087896).

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

40402104 is a wasteful number, since it uses less digits than its factorization.

40402104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58087 (or 58083 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 40402104 is about 6356.2649409854. The cubic root of 40402104 is about 343.1373508913.

Adding to 40402104 its reverse (40120404), we get a palindrome (80522508).

The spelling of 40402104 in words is "forty million, four hundred two thousand, one hundred four".