4168978944 has 160 divisors (see below), whose sum is σ = 12019480704. Its totient is φ = 1276477440.

The previous prime is 4168978939. The next prime is 4168978951. The reversal of 4168978944 is 4498798614.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5610637 + ... + 5611379.

Almost surely, 2^4168978944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4168978944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6009740352).

4168978944 is an abundant number, since it is smaller than the sum of its proper divisors (7850501760).

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

4168978944 is a wasteful number, since it uses less digits than its factorization.

4168978944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058 (or 1042 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The square root of 4168978944 is about 64567.6307757997. The cubic root of 4168978944 is about 1609.4465831931.

The spelling of 4168978944 in words is "four billion, one hundred sixty-eight million, nine hundred seventy-eight thousand, nine hundred forty-four".