4577497920 has 504 divisors, whose sum is σ = 17171298144. Its totient is φ = 1160054784.

The previous prime is 4577497909. The next prime is 4577498021. The reversal of 4577497920 is 297947754.

4577497920 is a `hidden beast` number, since 4 + 577 + 49 + 7 + 9 + 20 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 106453419 + ... + 106453461.

It is an arithmetic number, because the mean of its divisors is an integer number (34070036).

Almost surely, 2^4577497920 is an apocalyptic number.

4577497920 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 4577497920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8585649072).

4577497920 is an abundant number, since it is smaller than the sum of its proper divisors (12593800224).

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

4577497920 is an equidigital number, since it uses as much as digits as its factorization.

4577497920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The square root of 4577497920 is about 67657.2089285392. The cubic root of 4577497920 is about 1660.3872324474.

The spelling of 4577497920 in words is "four billion, five hundred seventy-seven million, four hundred ninety-seven thousand, nine hundred twenty".