40320222541 has 4 divisors (see below), whose sum is σ = 40323325500. Its totient is φ = 40317119584.

The previous prime is 40320222517. The next prime is 40320222559. The reversal of 40320222541 is 14522202304.

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 33259181641 + 7061040900 = 182371^2 + 84030^2 .

It is a cyclic number.

It is not a de Polignac number, because 40320222541 - 2⁹ = 40320222029 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 (40320222511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531906 + ... + 1558003.

It is an arithmetic number, because the mean of its divisors is an integer number (10080831375).

Almost surely, 2^40320222541 is an apocalyptic number.

It is an amenable number.

40320222541 is a deficient number, since it is larger than the sum of its proper divisors (3102959).

40320222541 is a wasteful number, since it uses less digits than its factorization.

40320222541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102958.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 40320222541 its reverse (14522202304), we get a palindrome (54842424845).

The spelling of 40320222541 in words is "forty billion, three hundred twenty million, two hundred twenty-two thousand, five hundred forty-one".