40046608 has 20 divisors (see below), whose sum is σ = 88674880. Its totient is φ = 17162784.

The previous prime is 40046603. The next prime is 40046681. The reversal of 40046608 is 80664004.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (40046603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178668 + ... + 178891.

It is an arithmetic number, because the mean of its divisors is an integer number (4433744).

Almost surely, 2^40046608 is an apocalyptic number.

It is an amenable number.

40046608 is an abundant number, since it is smaller than the sum of its proper divisors (48628272).

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

40046608 is a wasteful number, since it uses less digits than its factorization.

40046608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357574 (or 357568 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 40046608 is about 6328.2389335423. The cubic root of 40046608 is about 342.1279687087.

The spelling of 40046608 in words is "forty million, forty-six thousand, six hundred eight".