40413541 has 4 divisors (see below), whose sum is σ = 46186912. Its totient is φ = 34640172.

The previous prime is 40413533. The next prime is 40413547. The reversal of 40413541 is 14531404.

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 40413541 - 2³ = 40413533 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 (40413547) 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, 2886675 + ... + 2886688.

It is an arithmetic number, because the mean of its divisors is an integer number (11546728).

Almost surely, 2^40413541 is an apocalyptic number.

It is an amenable number.

40413541 is a deficient number, since it is larger than the sum of its proper divisors (5773371).

40413541 is an equidigital number, since it uses as much as digits as its factorization.

40413541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773370.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40413541 is about 6357.1645408940. The cubic root of 40413541 is about 343.1697261989.

Adding to 40413541 its reverse (14531404), we get a palindrome (54944945).

The spelling of 40413541 in words is "forty million, four hundred thirteen thousand, five hundred forty-one".