40840400852 has 12 divisors (see below), whose sum is σ = 73132811136. Its totient is φ = 19945311960.

The previous prime is 40840400851. The next prime is 40840400911. The reversal of 40840400852 is 25800404804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40840400851) 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, 118721924 + ... + 118722267.

It is an arithmetic number, because the mean of its divisors is an integer number (6094400928).

Almost surely, 2^40840400852 is an apocalyptic number.

It is an amenable number.

40840400852 is a deficient number, since it is larger than the sum of its proper divisors (32292410284).

40840400852 is a wasteful number, since it uses less digits than its factorization.

40840400852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237444238 (or 237444236 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The spelling of 40840400852 in words is "forty billion, eight hundred forty million, four hundred thousand, eight hundred fifty-two".