40405058 has 16 divisors (see below), whose sum is σ = 64847040. Its totient is φ = 18824400.

The previous prime is 40405051. The next prime is 40405063. The reversal of 40405058 is 85050404.

It is not an unprimeable number, because it can be changed into a prime (40405051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6398 + ... + 11033.

It is an arithmetic number, because the mean of its divisors is an integer number (4052940).

Almost surely, 2^40405058 is an apocalyptic number.

40405058 is a deficient number, since it is larger than the sum of its proper divisors (24441982).

40405058 is a wasteful number, since it uses less digits than its factorization.

40405058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17513.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 40405058 is about 6356.4973059068. The cubic root of 40405058 is about 343.1457135171.

The spelling of 40405058 in words is "forty million, four hundred five thousand, fifty-eight".