40608428 has 24 divisors (see below), whose sum is σ = 81844224. Its totient is φ = 17269200.

The previous prime is 40608391. The next prime is 40608437. The reversal of 40608428 is 82480604.

40608428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40608394 and 40608403.

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, 1868 + ... + 9203.

It is an arithmetic number, because the mean of its divisors is an integer number (3410176).

Almost surely, 2^40608428 is an apocalyptic number.

It is an amenable number.

40608428 is an abundant number, since it is smaller than the sum of its proper divisors (41235796).

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

40608428 is a wasteful number, since it uses less digits than its factorization.

40608428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11213 (or 11211 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 40608428 is about 6372.4742447498. The cubic root of 40608428 is about 343.7204665316.

The spelling of 40608428 in words is "forty million, six hundred eight thousand, four hundred twenty-eight".