4550397930 has 192 divisors, whose sum is σ = 13284311040. Its totient is φ = 1073088000.

The previous prime is 4550397923. The next prime is 4550397931. The reversal of 4550397930 is 397930554.

4550397930 is a `hidden beast` number, since 4 + 550 + 3 + 9 + 7 + 93 + 0 = 666.

It is a super-2 number, since 2×4550397930² = 41412242642696569800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (4550397931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3952855 + ... + 3954005.

It is an arithmetic number, because the mean of its divisors is an integer number (69189120).

Almost surely, 2^4550397930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4550397930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6642155520).

4550397930 is an abundant number, since it is smaller than the sum of its proper divisors (8733913110).

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

4550397930 is a wasteful number, since it uses less digits than its factorization.

4550397930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The square root of 4550397930 is about 67456.6374050768. The cubic root of 4550397930 is about 1657.1041020571.

The spelling of 4550397930 in words is "four billion, five hundred fifty million, three hundred ninety-seven thousand, nine hundred thirty".