4747822640 has 80 divisors (see below), whose sum is σ = 12322354176. Its totient is φ = 1686316800.

The previous prime is 4747822637. The next prime is 4747822643. The reversal of 4747822640 is 462287474.

It is an interprime number because it is at equal distance from previous prime (4747822637) and next prime (4747822643).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 4747822591 and 4747822600.

It is not an unprimeable number, because it can be changed into a prime (4747822643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24896 + ... + 100575.

Almost surely, 2^4747822640 is an apocalyptic number.

4747822640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4747822640 is an abundant number, since it is smaller than the sum of its proper divisors (7574531536).

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

4747822640 is a wasteful number, since it uses less digits than its factorization.

4747822640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125538 (or 125532 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 44.

The square root of 4747822640 is about 68904.4457201420. The cubic root of 4747822640 is about 1680.7308139410.

The spelling of 4747822640 in words is "four billion, seven hundred forty-seven million, eight hundred twenty-two thousand, six hundred forty".