40333541 has 4 divisors (see below), whose sum is σ = 40509900. Its totient is φ = 40157184.

The previous prime is 40333507. The next prime is 40333547. The reversal of 40333541 is 14533304.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33016516 + 7317025 = 5746^2 + 2705^2 .

It is a cyclic number.

It is not a de Polignac number, because 40333541 - 2²² = 36139237 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40333547) 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, 87836 + ... + 88293.

It is an arithmetic number, because the mean of its divisors is an integer number (10127475).

Almost surely, 2^40333541 is an apocalyptic number.

It is an amenable number.

40333541 is a deficient number, since it is larger than the sum of its proper divisors (176359).

40333541 is a wasteful number, since it uses less digits than its factorization.

40333541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176358.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 40333541 is about 6350.8693105747. The cubic root of 40333541 is about 342.9431378454.

Adding to 40333541 its reverse (14533304), we get a palindrome (54866845).

The spelling of 40333541 in words is "forty million, three hundred thirty-three thousand, five hundred forty-one".