40255356539 has 16 divisors (see below), whose sum is σ = 42856058880. Its totient is φ = 37731555840.

The previous prime is 40255356527. The next prime is 40255356541. The reversal of 40255356539 is 93565355204.

It is a cyclic number.

It is not a de Polignac number, because 40255356539 - 2²⁰ = 40254307963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40255356493 and 40255356502.

It is not an unprimeable number, because it can be changed into a prime (40255316539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225947 + ... + 362715.

It is an arithmetic number, because the mean of its divisors is an integer number (2678503680).

Almost surely, 2^40255356539 is an apocalyptic number.

40255356539 is a deficient number, since it is larger than the sum of its proper divisors (2600702341).

40255356539 is a wasteful number, since it uses less digits than its factorization.

40255356539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137050.

The product of its (nonzero) digits is 2430000, while the sum is 47.

The spelling of 40255356539 in words is "forty billion, two hundred fifty-five million, three hundred fifty-six thousand, five hundred thirty-nine".