4781751408 has 200 divisors, whose sum is σ = 16055000192. Its totient is φ = 1345652352.

The previous prime is 4781751379. The next prime is 4781751427. The reversal of 4781751408 is 8041571874.

4781751408 is a `hidden beast` number, since 4 + 78 + 175 + 1 + 408 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 603891 + ... + 611757.

Almost surely, 2^4781751408 is an apocalyptic number.

4781751408 is a gapful number since it is divisible by the number (48) 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 4781751408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8027500096).

4781751408 is an abundant number, since it is smaller than the sum of its proper divisors (11273248784).

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

4781751408 is a wasteful number, since it uses less digits than its factorization.

4781751408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7961 (or 7946 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The square root of 4781751408 is about 69150.2090235453. The cubic root of 4781751408 is about 1684.7249132533.

It can be divided in two parts, 47817 and 51408, that added together give a square (99225 = 315²).

The spelling of 4781751408 in words is "four billion, seven hundred eighty-one million, seven hundred fifty-one thousand, four hundred eight".