40158056 has 32 divisors (see below), whose sum is σ = 76839840. Its totient is φ = 19672128.

The previous prime is 40158031. The next prime is 40158101. The reversal of 40158056 is 65085104.

It is a happy number.

It is a super-2 number, since 2×40158056² = 3225338923398272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130655 + ... + 130961.

It is an arithmetic number, because the mean of its divisors is an integer number (2401245).

Almost surely, 2^40158056 is an apocalyptic number.

It is an amenable number.

40158056 is a deficient number, since it is larger than the sum of its proper divisors (36681784).

40158056 is a wasteful number, since it uses less digits than its factorization.

40158056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 40158056 is about 6337.0384250058. The cubic root of 40158056 is about 342.4450505911.

The spelling of 40158056 in words is "forty million, one hundred fifty-eight thousand, fifty-six".