40052945212 has 24 divisors (see below), whose sum is σ = 84321991040. Its totient is φ = 16262097840.

The previous prime is 40052945209. The next prime is 40052945293. The reversal of 40052945212 is 21254925004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37643214 + ... + 37644277.

Almost surely, 2^40052945212 is an apocalyptic number.

It is an amenable number.

40052945212 is an abundant number, since it is smaller than the sum of its proper divisors (44269045828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40052945212 is a wasteful number, since it uses less digits than its factorization.

40052945212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75287521 (or 75287519 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 40052945212 in words is "forty billion, fifty-two million, nine hundred forty-five thousand, two hundred twelve".