40620240541 has 2 divisors, whose sum is σ = 40620240542. Its totient is φ = 40620240540.

The previous prime is 40620240503. The next prime is 40620240547. The reversal of 40620240541 is 14504202604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37663164900 + 2957075641 = 194070^2 + 54379^2 .

It is a cyclic number.

It is not a de Polignac number, because 40620240541 - 2⁷ = 40620240413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40620240547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20310120270 + 20310120271.

It is an arithmetic number, because the mean of its divisors is an integer number (20310120271).

Almost surely, 2^40620240541 is an apocalyptic number.

It is an amenable number.

40620240541 is a deficient number, since it is larger than the sum of its proper divisors (1).

40620240541 is an equidigital number, since it uses as much as digits as its factorization.

40620240541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 40620240541 in words is "forty billion, six hundred twenty million, two hundred forty thousand, five hundred forty-one".