4478796628 has 6 divisors (see below), whose sum is σ = 7837894106. Its totient is φ = 2239398312.

The previous prime is 4478796611. The next prime is 4478796629. The reversal of 4478796628 is 8266978744.

It can be written as a sum of positive squares in only one way, i.e., 3675754384 + 803042244 = 60628^2 + 28338^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478796629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559849575 + ... + 559849582.

Almost surely, 2^4478796628 is an apocalyptic number.

It is an amenable number.

4478796628 is a deficient number, since it is larger than the sum of its proper divisors (3359097478).

4478796628 is a wasteful number, since it uses less digits than its factorization.

4478796628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119699161 (or 1119699159 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 61.

The square root of 4478796628 is about 66923.8121149715. The cubic root of 4478796628 is about 1648.3665043445.

The spelling of 4478796628 in words is "four billion, four hundred seventy-eight million, seven hundred ninety-six thousand, six hundred twenty-eight".