40100539 has 2 divisors, whose sum is σ = 40100540. Its totient is φ = 40100538.

The previous prime is 40100521. The next prime is 40100549. The reversal of 40100539 is 93500104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40100539 - 2¹³ = 40092347 is a prime.

It is not a weakly prime, because it can be changed into another prime (40100549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20050269 + 20050270.

It is an arithmetic number, because the mean of its divisors is an integer number (20050270).

Almost surely, 2^40100539 is an apocalyptic number.

40100539 is a deficient number, since it is larger than the sum of its proper divisors (1).

40100539 is an equidigital number, since it uses as much as digits as its factorization.

40100539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 40100539 is about 6332.4986379785. The cubic root of 40100539 is about 342.2814817257.

The spelling of 40100539 in words is "forty million, one hundred thousand, five hundred thirty-nine".