3640171704456 has 64 divisors (see below), whose sum is σ = 10426688484480. Its totient is φ = 1037429268480.

The previous prime is 3640171704451. The next prime is 3640171704511. The reversal of 3640171704456 is 6544071710463.

It is a super-3 number, since 3×3640171704456³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3640171704451) 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 15 ways as a sum of consecutive naturals, for example, 27222585 + ... + 27355976.

It is an arithmetic number, because the mean of its divisors is an integer number (162917007570).

Almost surely, 2^{3640171704456} is an apocalyptic number.

It is an amenable number.

3640171704456 is an abundant number, since it is smaller than the sum of its proper divisors (6786516780024).

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

3640171704456 is a wasteful number, since it uses less digits than its factorization.

3640171704456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54578974 (or 54578970 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 3640171704456 in words is "three trillion, six hundred forty billion, one hundred seventy-one million, seven hundred four thousand, four hundred fifty-six".