4156859777408 has 64 divisors (see below), whose sum is σ = 8920392757920. Its totient is φ = 1918092472320.

The previous prime is 4156859777407. The next prime is 4156859777419. The reversal of 4156859777408 is 8047779586514.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4156859777407) 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 7 ways as a sum of consecutive naturals, for example, 6720893 + ... + 7313283.

Almost surely, 2^{4156859777408} is an apocalyptic number.

It is an amenable number.

4156859777408 is an abundant number, since it is smaller than the sum of its proper divisors (4763532980512).

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

4156859777408 is a wasteful number, since it uses less digits than its factorization.

4156859777408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596635 (or 596623 counting only the distinct ones).

The product of its (nonzero) digits is 474163200, while the sum is 71.

The spelling of 4156859777408 in words is "four trillion, one hundred fifty-six billion, eight hundred fifty-nine million, seven hundred seventy-seven thousand, four hundred eight".