4256771764 has 24 divisors (see below), whose sum is σ = 8694685440. Its totient is φ = 1785514656.

The previous prime is 4256771749. The next prime is 4256771821. The reversal of 4256771764 is 4671776524.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 1615999 + ... + 1618630.

It is an arithmetic number, because the mean of its divisors is an integer number (362278560).

Almost surely, 2^4256771764 is an apocalyptic number.

It is an amenable number.

4256771764 is an abundant number, since it is smaller than the sum of its proper divisors (4437913676).

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

4256771764 is a wasteful number, since it uses less digits than its factorization.

4256771764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234687 (or 3234685 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 49.

The square root of 4256771764 is about 65243.9404389404. The cubic root of 4256771764 is about 1620.6657533936.

The spelling of 4256771764 in words is "four billion, two hundred fifty-six million, seven hundred seventy-one thousand, seven hundred sixty-four".