3640973382 has 64 divisors (see below), whose sum is σ = 8747174400. Its totient is φ = 1118694240.

The previous prime is 3640973381. The next prime is 3640973411. The reversal of 3640973382 is 2833790463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640973381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9994 + ... + 85917.

It is an arithmetic number, because the mean of its divisors is an integer number (136674600).

Almost surely, 2^3640973382 is an apocalyptic number.

3640973382 is an abundant number, since it is smaller than the sum of its proper divisors (5106201018).

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

3640973382 is a wasteful number, since it uses less digits than its factorization.

3640973382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95978 (or 95972 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 3640973382 is about 60340.4788015475. The cubic root of 3640973382 is about 1538.4114419748.

The spelling of 3640973382 in words is "three billion, six hundred forty million, nine hundred seventy-three thousand, three hundred eighty-two".