4717779840 has 192 divisors, whose sum is σ = 16359604560. Its totient is φ = 1252786176.

The previous prime is 4717779823. The next prime is 4717779853. The reversal of 4717779840 is 489777174.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1478727 + ... + 1481913.

Almost surely, 2^4717779840 is an apocalyptic number.

4717779840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4717779840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8179802280).

4717779840 is an abundant number, since it is smaller than the sum of its proper divisors (11641824720).

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

4717779840 is a wasteful number, since it uses less digits than its factorization.

4717779840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469 (or 3454 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 54.

The square root of 4717779840 is about 68686.0964096810. The cubic root of 4717779840 is about 1677.1782564241.

The spelling of 4717779840 in words is "four billion, seven hundred seventeen million, seven hundred seventy-nine thousand, eight hundred forty".