3640341546 has 48 divisors (see below), whose sum is σ = 8445270600. Its totient is φ = 1129227264.

The previous prime is 3640341539. The next prime is 3640341547. The reversal of 3640341546 is 6451430463.

3640341546 is a `hidden beast` number, since 3 + 640 + 3 + 4 + 1 + 5 + 4 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1803276225 + 1837065321 = 42465^2 + 42861^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3640341546.

It is not an unprimeable number, because it can be changed into a prime (3640341547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39601 + ... + 94068.

Almost surely, 2^3640341546 is an apocalyptic number.

3640341546 is an abundant number, since it is smaller than the sum of its proper divisors (4804929054).

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

3640341546 is a wasteful number, since it uses less digits than its factorization.

3640341546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133783 (or 133780 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 3640341546 is about 60335.2429845111. The cubic root of 3640341546 is about 1538.3224474613.

The spelling of 3640341546 in words is "three billion, six hundred forty million, three hundred forty-one thousand, five hundred forty-six".