40554158 has 8 divisors (see below), whose sum is σ = 61026528. Its totient is φ = 20211984.

The previous prime is 40554139. The next prime is 40554187. The reversal of 40554158 is 85145504.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31766 + ... + 33017.

It is an arithmetic number, because the mean of its divisors is an integer number (7628316).

Almost surely, 2^40554158 is an apocalyptic number.

40554158 is a deficient number, since it is larger than the sum of its proper divisors (20472370).

40554158 is a wasteful number, since it uses less digits than its factorization.

40554158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65098.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 40554158 is about 6368.2146634673. The cubic root of 40554158 is about 343.5672797297.

The spelling of 40554158 in words is "forty million, five hundred fifty-four thousand, one hundred fifty-eight".