4651678720 has 176 divisors, whose sum is σ = 12726903168. Its totient is φ = 1616117760.

The previous prime is 4651678709. The next prime is 4651678721. The reversal of 4651678720 is 278761564.

It is a happy number.

It is a super-2 number, since 2×4651678720² = 43276229828201676800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4651678721) 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, 1129465 + ... + 1133575.

Almost surely, 2^4651678720 is an apocalyptic number.

4651678720 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 4651678720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6363451584).

4651678720 is an abundant number, since it is smaller than the sum of its proper divisors (8075224448).

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

4651678720 is a wasteful number, since it uses less digits than its factorization.

4651678720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166 (or 4148 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 4651678720 is about 68203.2163464451. The cubic root of 4651678720 is about 1669.3083681468.

The spelling of 4651678720 in words is "four billion, six hundred fifty-one million, six hundred seventy-eight thousand, seven hundred twenty".