40885539 has 4 divisors (see below), whose sum is σ = 54514056. Its totient is φ = 27257024.

The previous prime is 40885531. The next prime is 40885553. The reversal of 40885539 is 93558804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40885539 - 2³ = 40885531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40885539.

It is not an unprimeable number, because it can be changed into a prime (40885531) 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, 6814254 + ... + 6814259.

It is an arithmetic number, because the mean of its divisors is an integer number (13628514).

Almost surely, 2^40885539 is an apocalyptic number.

40885539 is a deficient number, since it is larger than the sum of its proper divisors (13628517).

40885539 is a wasteful number, since it uses less digits than its factorization.

40885539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13628516.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 40885539 is about 6394.1800881739. The cubic root of 40885539 is about 344.5005417208.

The spelling of 40885539 in words is "forty million, eight hundred eighty-five thousand, five hundred thirty-nine".