4055221565466 has 32 divisors (see below), whose sum is σ = 8381616926208. Its totient is φ = 1306644333120.

The previous prime is 4055221565443. The next prime is 4055221565537. The reversal of 4055221565466 is 6645651225504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12266905 + ... + 12593148.

It is an arithmetic number, because the mean of its divisors is an integer number (261925528944).

Almost surely, 2^{4055221565466} is an apocalyptic number.

4055221565466 is an abundant number, since it is smaller than the sum of its proper divisors (4326395360742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4055221565466 is a wasteful number, since it uses less digits than its factorization.

4055221565466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24860966.

The product of its (nonzero) digits is 8640000, while the sum is 51.

The spelling of 4055221565466 in words is "four trillion, fifty-five billion, two hundred twenty-one million, five hundred sixty-five thousand, four hundred sixty-six".