4220604466440 has 64 divisors (see below), whose sum is σ = 12666420360000. Its totient is φ = 1125085016832.

The previous prime is 4220604466427. The next prime is 4220604466451. The reversal of 4220604466440 is 446644060224.

It is a junction number, because it is equal to n+sod(n) for n = 4220604466392 and 4220604466401.

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, 6067302 + ... + 6727061.

It is an arithmetic number, because the mean of its divisors is an integer number (197912818125).

Almost surely, 2^{4220604466440} is an apocalyptic number.

4220604466440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4220604466440 is an abundant number, since it is smaller than the sum of its proper divisors (8445815893560).

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

4220604466440 is a wasteful number, since it uses less digits than its factorization.

4220604466440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12797126 (or 12797122 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 4220604466440 in words is "four trillion, two hundred twenty billion, six hundred four million, four hundred sixty-six thousand, four hundred forty".