3640836920736 has 48 divisors (see below), whose sum is σ = 9561402152064. Its totient is φ = 1213078308864.

The previous prime is 3640836920689. The next prime is 3640836920741. The reversal of 3640836920736 is 6370296380463.

3640836920736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8124376 + ... + 8560791.

It is an arithmetic number, because the mean of its divisors is an integer number (199195878168).

Almost surely, 2^{3640836920736} is an apocalyptic number.

It is an amenable number.

3640836920736 is an abundant number, since it is smaller than the sum of its proper divisors (5920565231328).

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

3640836920736 is a wasteful number, since it uses less digits than its factorization.

3640836920736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16687453 (or 16687445 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 57.

The spelling of 3640836920736 in words is "three trillion, six hundred forty billion, eight hundred thirty-six million, nine hundred twenty thousand, seven hundred thirty-six".