40011141 has 4 divisors (see below), whose sum is σ = 53348192. Its totient is φ = 26674092.

The previous prime is 40011137. The next prime is 40011151. The reversal of 40011141 is 14111004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40011141 - 2² = 40011137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40011151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6668521 + ... + 6668526.

It is an arithmetic number, because the mean of its divisors is an integer number (13337048).

Almost surely, 2^40011141 is an apocalyptic number.

It is an amenable number.

40011141 is a deficient number, since it is larger than the sum of its proper divisors (13337051).

40011141 is a wasteful number, since it uses less digits than its factorization.

40011141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13337050.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 40011141 is about 6325.4360324012. The cubic root of 40011141 is about 342.0269377913.

Adding to 40011141 its reverse (14111004), we get a palindrome (54122145).

The spelling of 40011141 in words is "forty million, eleven thousand, one hundred forty-one".