40238830885 has 16 divisors (see below), whose sum is σ = 52902383040. Its totient is φ = 29138995840.

The previous prime is 40238830843. The next prime is 40238830889. The reversal of 40238830885 is 58803883204.

It is a happy number.

It is not a de Polignac number, because 40238830885 - 2¹³ = 40238822693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40238830889) 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, 1557175 + ... + 1582804.

It is an arithmetic number, because the mean of its divisors is an integer number (3306398940).

Almost surely, 2^40238830885 is an apocalyptic number.

It is an amenable number.

40238830885 is a deficient number, since it is larger than the sum of its proper divisors (12663552155).

40238830885 is a wasteful number, since it uses less digits than its factorization.

40238830885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140228.

The product of its (nonzero) digits is 1474560, while the sum is 49.

The spelling of 40238830885 in words is "forty billion, two hundred thirty-eight million, eight hundred thirty thousand, eight hundred eighty-five".