4374778444466 has 16 divisors (see below), whose sum is σ = 7043358047544. Its totient is φ = 2030517633024.

The previous prime is 4374778444447. The next prime is 4374778444481. The reversal of 4374778444466 is 6644448774734.

It can be written as a sum of positive squares in 4 ways, for example, as 3804368329441 + 570410115025 = 1950479^2 + 755255^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4374778444396 and 4374778444405.

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, 881298575 + ... + 881303538.

Almost surely, 2^{4374778444466} is an apocalyptic number.

4374778444466 is a deficient number, since it is larger than the sum of its proper divisors (2668579603078).

4374778444466 is a wasteful number, since it uses less digits than its factorization.

4374778444466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762602205.

The product of its digits is 1213857792, while the sum is 68.

The spelling of 4374778444466 in words is "four trillion, three hundred seventy-four billion, seven hundred seventy-eight million, four hundred forty-four thousand, four hundred sixty-six".