40545058 has 4 divisors (see below), whose sum is σ = 60817590. Its totient is φ = 20272528.

The previous prime is 40545019. The next prime is 40545061. The reversal of 40545058 is 85054504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38975049 + 1570009 = 6243^2 + 1253^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10136263 + ... + 10136266.

Almost surely, 2^40545058 is an apocalyptic number.

40545058 is a deficient number, since it is larger than the sum of its proper divisors (20272532).

40545058 is a wasteful number, since it uses less digits than its factorization.

40545058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20272531.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 40545058 is about 6367.5001374166. The cubic root of 40545058 is about 343.5415799719.

The spelling of 40545058 in words is "forty million, five hundred forty-five thousand, fifty-eight".