4578783552 has 560 divisors, whose sum is σ = 16965168000. Its totient is φ = 1191407616.

The previous prime is 4578783541. The next prime is 4578783557. The reversal of 4578783552 is 2553878754.

4578783552 is a `hidden beast` number, since 4 + 5 + 7 + 8 + 7 + 83 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4578783557) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 19994574 + ... + 19994802.

Almost surely, 2^4578783552 is an apocalyptic number.

4578783552 is a gapful number since it is divisible by the number (42) 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 4578783552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8482584000).

4578783552 is an abundant number, since it is smaller than the sum of its proper divisors (12386384448).

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

4578783552 is a wasteful number, since it uses less digits than its factorization.

4578783552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 289 counting only the distinct ones).

The product of its digits is 9408000, while the sum is 54.

The square root of 4578783552 is about 67666.7093333199. The cubic root of 4578783552 is about 1660.5426628581.

The spelling of 4578783552 in words is "four billion, five hundred seventy-eight million, seven hundred eighty-three thousand, five hundred fifty-two".