40120958 has 4 divisors (see below), whose sum is σ = 60181440. Its totient is φ = 20060478.

The previous prime is 40120943. The next prime is 40120961. The reversal of 40120958 is 85902104.

40120958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40120958.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10030238 + ... + 10030241.

It is an arithmetic number, because the mean of its divisors is an integer number (15045360).

Almost surely, 2^40120958 is an apocalyptic number.

40120958 is a deficient number, since it is larger than the sum of its proper divisors (20060482).

40120958 is a wasteful number, since it uses less digits than its factorization.

40120958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20060481.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 40120958 is about 6334.1106715939. The cubic root of 40120958 is about 342.3395678913.

The spelling of 40120958 in words is "forty million, one hundred twenty thousand, nine hundred fifty-eight".