40052945216 has 28 divisors (see below), whose sum is σ = 79538634420. Its totient is φ = 20011714560.

The previous prime is 40052945209. The next prime is 40052945293. The reversal of 40052945216 is 61254925004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4065337600 + 35987607616 = 63760^2 + 189704^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40052945216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142811 + ... + 317018.

It is an arithmetic number, because the mean of its divisors is an integer number (2840665515).

Almost surely, 2^40052945216 is an apocalyptic number.

It is an amenable number.

40052945216 is a deficient number, since it is larger than the sum of its proper divisors (39485689204).

40052945216 is a wasteful number, since it uses less digits than its factorization.

40052945216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461202 (or 461192 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 40052945216 in words is "forty billion, fifty-two million, nine hundred forty-five thousand, two hundred sixteen".