4526778044 has 24 divisors (see below), whose sum is σ = 8532733440. Its totient is φ = 2094395184.

The previous prime is 4526778041. The next prime is 4526778049. The reversal of 4526778044 is 4408776254.

It is a self number, because there is not a number n which added to its sum of digits gives 4526778044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4526778041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689324 + ... + 695859.

It is an arithmetic number, because the mean of its divisors is an integer number (355530560).

Almost surely, 2^4526778044 is an apocalyptic number.

It is an amenable number.

4526778044 is a deficient number, since it is larger than the sum of its proper divisors (4005955396).

4526778044 is a wasteful number, since it uses less digits than its factorization.

4526778044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385249 (or 1385247 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 47.

The square root of 4526778044 is about 67281.3350343169. The cubic root of 4526778044 is about 1654.2319335615.

The spelling of 4526778044 in words is "four billion, five hundred twenty-six million, seven hundred seventy-eight thousand, forty-four".