40036166624 has 24 divisors (see below), whose sum is σ = 78826353480. Its totient is φ = 20016775296.

The previous prime is 40036166617. The next prime is 40036166627. The reversal of 40036166624 is 42666163004.

It is a happy number.

40036166624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40036166627) 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, 621767 + ... + 683129.

It is an arithmetic number, because the mean of its divisors is an integer number (3284431395).

Almost surely, 2^40036166624 is an apocalyptic number.

It is an amenable number.

40036166624 is a deficient number, since it is larger than the sum of its proper divisors (38790186856).

40036166624 is a wasteful number, since it uses less digits than its factorization.

40036166624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81762 (or 81754 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 40036166624 in words is "forty billion, thirty-six million, one hundred sixty-six thousand, six hundred twenty-four".