4478540756 has 6 divisors (see below), whose sum is σ = 7837446330. Its totient is φ = 2239270376.

The previous prime is 4478540743. The next prime is 4478540771. The reversal of 4478540756 is 6570458744.

It can be written as a sum of positive squares in only one way, i.e., 3784218256 + 694322500 = 61516^2 + 26350^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559817591 + ... + 559817598.

It is an arithmetic number, because the mean of its divisors is an integer number (1306241055).

Almost surely, 2^4478540756 is an apocalyptic number.

It is an amenable number.

4478540756 is a deficient number, since it is larger than the sum of its proper divisors (3358905574).

4478540756 is a wasteful number, since it uses less digits than its factorization.

4478540756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119635193 (or 1119635191 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 50.

The square root of 4478540756 is about 66921.9004213120. The cubic root of 4478540756 is about 1648.3351135565.

The spelling of 4478540756 in words is "four billion, four hundred seventy-eight million, five hundred forty thousand, seven hundred fifty-six".