4643455740 has 384 divisors, whose sum is σ = 17139548160. Its totient is φ = 910694400.

The previous prime is 4643455721. The next prime is 4643455841. The reversal of 4643455740 is 475543464.

It is a happy number.

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 = 4643455692 and 4643455701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9456895 + ... + 9457385.

It is an arithmetic number, because the mean of its divisors is an integer number (44634240).

Almost surely, 2^4643455740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4643455740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8569774080).

4643455740 is an abundant number, since it is smaller than the sum of its proper divisors (12496092420).

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

4643455740 is a wasteful number, since it uses less digits than its factorization.

4643455740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 42.

The square root of 4643455740 is about 68142.9067475111. The cubic root of 4643455740 is about 1668.3241510121.

The spelling of 4643455740 in words is "four billion, six hundred forty-three million, four hundred fifty-five thousand, seven hundred forty".