4623843840 has 480 divisors, whose sum is σ = 18775209024. Its totient is φ = 959938560.

The previous prime is 4623843827. The next prime is 4623843877. The reversal of 4623843840 is 483483264.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 4623843792 and 4623843801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4138962 + ... + 4140078.

Almost surely, 2^4623843840 is an apocalyptic number.

4623843840 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 4623843840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9387604512).

4623843840 is an abundant number, since it is smaller than the sum of its proper divisors (14151365184).

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

4623843840 is a wasteful number, since it uses less digits than its factorization.

4623843840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The square root of 4623843840 is about 67998.8517550113. The cubic root of 4623843840 is about 1665.9720824830.

The spelling of 4623843840 in words is "four billion, six hundred twenty-three million, eight hundred forty-three thousand, eight hundred forty".