4556621952 has 160 divisors (see below), whose sum is σ = 14274757200. Its totient is φ = 1438871040.

The previous prime is 4556621917. The next prime is 4556621957. The reversal of 4556621952 is 2591266554.

4556621952 is a `hidden beast` number, since 4 + 556 + 6 + 2 + 1 + 95 + 2 = 666.

It is a super-2 number, since 2×4556621952² = 41525607226896580608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4556621898 and 4556621907.

It is not an unprimeable number, because it can be changed into a prime (4556621957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 185427 + ... + 208557.

Almost surely, 2^4556621952 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 4556621952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7137378600).

4556621952 is an abundant number, since it is smaller than the sum of its proper divisors (9718135248).

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

4556621952 is a wasteful number, since it uses less digits than its factorization.

4556621952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23176 (or 23155 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 4556621952 is about 67502.7551437717. The cubic root of 4556621952 is about 1657.8592853544.

The spelling of 4556621952 in words is "four billion, five hundred fifty-six million, six hundred twenty-one thousand, nine hundred fifty-two".