4004344778 has 48 divisors (see below), whose sum is σ = 7110266184. Its totient is φ = 1686182400.

The previous prime is 4004344777. The next prime is 4004344789. The reversal of 4004344778 is 8774434004.

It can be written as a sum of positive squares in 4 ways, for example, as 3952259689 + 52085089 = 62867^2 + 7217^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4004344777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1354550 + ... + 1357502.

Almost surely, 2^4004344778 is an apocalyptic number.

4004344778 is a deficient number, since it is larger than the sum of its proper divisors (3105921406).

4004344778 is a wasteful number, since it uses less digits than its factorization.

4004344778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207 (or 3200 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 41.

The square root of 4004344778 is about 63279.8923671651. The cubic root of 4004344778 is about 1587.9755860971.

The spelling of 4004344778 in words is "four billion, four million, three hundred forty-four thousand, seven hundred seventy-eight".