4168551840 has 48 divisors (see below), whose sum is σ = 13130939808. Its totient is φ = 1111613696.

The previous prime is 4168551833. The next prime is 4168551847. The reversal of 4168551840 is 481558614.

4168551840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4168551833) and next prime (4168551847).

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 4168551792 and 4168551801.

It is not an unprimeable number, because it can be changed into a prime (4168551847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4341762 + ... + 4342721.

It is an arithmetic number, because the mean of its divisors is an integer number (273561246).

Almost surely, 2^4168551840 is an apocalyptic number.

4168551840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4168551840 is an abundant number, since it is smaller than the sum of its proper divisors (8962387968).

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

4168551840 is a wasteful number, since it uses less digits than its factorization.

4168551840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8684501 (or 8684493 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 4168551840 is about 64564.3232753198. The cubic root of 4168551840 is about 1609.3916197310.

The spelling of 4168551840 in words is "four billion, one hundred sixty-eight million, five hundred fifty-one thousand, eight hundred forty".