4466664478 has 16 divisors (see below), whose sum is σ = 6802717824. Its totient is φ = 2199118680.

The previous prime is 4466664463. The next prime is 4466664479. The reversal of 4466664478 is 8744666644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4466664479) 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, 441351 + ... + 451357.

It is an arithmetic number, because the mean of its divisors is an integer number (425169864).

Almost surely, 2^4466664478 is an apocalyptic number.

4466664478 is a deficient number, since it is larger than the sum of its proper divisors (2336053346).

4466664478 is a wasteful number, since it uses less digits than its factorization.

4466664478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13407.

The product of its digits is 18579456, while the sum is 55.

The square root of 4466664478 is about 66833.1091450936. The cubic root of 4466664478 is about 1646.8767951199.

The spelling of 4466664478 in words is "four billion, four hundred sixty-six million, six hundred sixty-four thousand, four hundred seventy-eight".