40654541 has 4 divisors (see below), whose sum is σ = 40867584. Its totient is φ = 40441500.

The previous prime is 40654519. The next prime is 40654561. The reversal of 40654541 is 14545604.

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 a cyclic number.

It is not a de Polignac number, because 40654541 - 2⁶ = 40654477 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 (40654511) 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, 106235 + ... + 106616.

It is an arithmetic number, because the mean of its divisors is an integer number (10216896).

Almost surely, 2^40654541 is an apocalyptic number.

It is an amenable number.

40654541 is a deficient number, since it is larger than the sum of its proper divisors (213043).

40654541 is a wasteful number, since it uses less digits than its factorization.

40654541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213042.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 40654541 is about 6376.0913575638. The cubic root of 40654541 is about 343.8505215221.

The spelling of 40654541 in words is "forty million, six hundred fifty-four thousand, five hundred forty-one".