40941138 has 32 divisors (see below), whose sum is σ = 93939840. Its totient is φ = 11652480.

The previous prime is 40941113. The next prime is 40941139. The reversal of 40941138 is 83114904.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40941139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10068 + ... + 13536.

It is an arithmetic number, because the mean of its divisors is an integer number (2935620).

Almost surely, 2^40941138 is an apocalyptic number.

40941138 is an abundant number, since it is smaller than the sum of its proper divisors (52998702).

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

40941138 is a wasteful number, since it uses less digits than its factorization.

40941138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3762.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 40941138 is about 6398.5262365642. The cubic root of 40941138 is about 344.6566295894.

The spelling of 40941138 in words is "forty million, nine hundred forty-one thousand, one hundred thirty-eight".