4073256640 has 28 divisors (see below), whose sum is σ = 9699443136. Its totient is φ = 1629302528.

The previous prime is 4073256637. The next prime is 4073256673. The reversal of 4073256640 is 466523704.

4073256640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×4073256640³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4073256640.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6364144 + ... + 6364783.

Almost surely, 2^4073256640 is an apocalyptic number.

4073256640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4073256640 is an abundant number, since it is smaller than the sum of its proper divisors (5626186496).

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

4073256640 is a wasteful number, since it uses less digits than its factorization.

4073256640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12728944 (or 12728934 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 4073256640 is about 63822.0701638548. The cubic root of 4073256640 is about 1597.0331269406.

The spelling of 4073256640 in words is "four billion, seventy-three million, two hundred fifty-six thousand, six hundred forty".