40545425212 has 48 divisors (see below), whose sum is σ = 75252240000. Its totient is φ = 19061175744.

The previous prime is 40545425209. The next prime is 40545425227. The reversal of 40545425212 is 21252454504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15021039 + ... + 15023737.

It is an arithmetic number, because the mean of its divisors is an integer number (1567755000).

Almost surely, 2^40545425212 is an apocalyptic number.

It is an amenable number.

40545425212 is a deficient number, since it is larger than the sum of its proper divisors (34706814788).

40545425212 is a wasteful number, since it uses less digits than its factorization.

40545425212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138 (or 4136 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 40545425212 its reverse (21252454504), we get a palindrome (61797879716).

The spelling of 40545425212 in words is "forty billion, five hundred forty-five million, four hundred twenty-five thousand, two hundred twelve".