40159804 has 6 divisors (see below), whose sum is σ = 70279664. Its totient is φ = 20079900.

The previous prime is 40159793. The next prime is 40159811. The reversal of 40159804 is 40895104.

It is a happy number.

It is a super-2 number, since 2×40159804² = 3225619714636832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5019972 + ... + 5019979.

Almost surely, 2^40159804 is an apocalyptic number.

It is an amenable number.

40159804 is a deficient number, since it is larger than the sum of its proper divisors (30119860).

40159804 is a wasteful number, since it uses less digits than its factorization.

40159804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10039955 (or 10039953 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 40159804 is about 6337.1763428202. The cubic root of 40159804 is about 342.4500191688.

The spelling of 40159804 in words is "forty million, one hundred fifty-nine thousand, eight hundred four".