40158805 has 8 divisors (see below), whose sum is σ = 50285952. Its totient is φ = 30730128.

The previous prime is 40158793. The next prime is 40158827. The reversal of 40158805 is 50885104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40158805 is a prime.

It is a super-2 number, since 2×40158805² = 3225459238056050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174489 + ... + 174718.

It is an arithmetic number, because the mean of its divisors is an integer number (6285744).

Almost surely, 2^40158805 is an apocalyptic number.

It is an amenable number.

40158805 is a deficient number, since it is larger than the sum of its proper divisors (10127147).

40158805 is a wasteful number, since it uses less digits than its factorization.

40158805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349235.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 40158805 is about 6337.0975217366. The cubic root of 40158805 is about 342.4471795931.

The spelling of 40158805 in words is "forty million, one hundred fifty-eight thousand, eight hundred five".