40012545222 has 24 divisors (see below), whose sum is σ = 93362606064. Its totient is φ = 12311552304.

The previous prime is 40012545187. The next prime is 40012545253. The reversal of 40012545222 is 22254521004.

40012545222 is a `hidden beast` number, since 400 + 1 + 254 + 5 + 2 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85496658 + ... + 85497125.

It is an arithmetic number, because the mean of its divisors is an integer number (3890108586).

Almost surely, 2^40012545222 is an apocalyptic number.

40012545222 is an abundant number, since it is smaller than the sum of its proper divisors (53350060842).

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

40012545222 is a wasteful number, since it uses less digits than its factorization.

40012545222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170993804 (or 170993801 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The spelling of 40012545222 in words is "forty billion, twelve million, five hundred forty-five thousand, two hundred twenty-two".