40118958 has 24 divisors (see below), whose sum is σ = 94827096. Its totient is φ = 12157200.

The previous prime is 40118941. The next prime is 40118959. The reversal of 40118958 is 85981104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40118959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101113 + ... + 101508.

It is an arithmetic number, because the mean of its divisors is an integer number (3951129).

Almost surely, 2^40118958 is an apocalyptic number.

40118958 is an abundant number, since it is smaller than the sum of its proper divisors (54708138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40118958 is a wasteful number, since it uses less digits than its factorization.

40118958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202640 (or 202637 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 40118958 is about 6333.9527942668. The cubic root of 40118958 is about 342.3338793390. Note that the first 3 decimals are identical.

The spelling of 40118958 in words is "forty million, one hundred eighteen thousand, nine hundred fifty-eight".