4774997520 has 160 divisors (see below), whose sum is σ = 16526739840. Its totient is φ = 1267176960.

The previous prime is 4774997459. The next prime is 4774997527. The reversal of 4774997520 is 257994774.

4774997520 is a `hidden beast` number, since 4 + 77 + 49 + 9 + 7 + 520 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (4774997527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450522 + ... + 460998.

It is an arithmetic number, because the mean of its divisors is an integer number (103292124).

Almost surely, 2^4774997520 is an apocalyptic number.

4774997520 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 4774997520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8263369920).

4774997520 is an abundant number, since it is smaller than the sum of its proper divisors (11751742320).

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

4774997520 is a wasteful number, since it uses less digits than its factorization.

4774997520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10710 (or 10698 counting only the distinct ones).

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

The square root of 4774997520 is about 69101.3568607737. The cubic root of 4774997520 is about 1683.9313543182.

The spelling of 4774997520 in words is "four billion, seven hundred seventy-four million, nine hundred ninety-seven thousand, five hundred twenty".