4534774644 has 24 divisors (see below), whose sum is σ = 10583340768. Its totient is φ = 1511277280.

The previous prime is 4534774639. The next prime is 4534774661. The reversal of 4534774644 is 4464774354.

It is a super-4 number, since 4×4534774644⁴ (a number of 40 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4534774593 and 4534774602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25054 + ... + 98474.

It is an arithmetic number, because the mean of its divisors is an integer number (440972532).

Almost surely, 2^4534774644 is an apocalyptic number.

It is an amenable number.

4534774644 is an abundant number, since it is smaller than the sum of its proper divisors (6048566124).

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

4534774644 is a wasteful number, since it uses less digits than its factorization.

4534774644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78575 (or 78573 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 48.

The square root of 4534774644 is about 67340.7353984199. The cubic root of 4534774644 is about 1655.2054331322.

The spelling of 4534774644 in words is "four billion, five hundred thirty-four million, seven hundred seventy-four thousand, six hundred forty-four".