40220204464646 has 32 divisors (see below), whose sum is σ = 61047466118496. Its totient is φ = 19872718848000.

The previous prime is 40220204464637. The next prime is 40220204464667. The reversal of 40220204464646 is 64646440202204.

It is a junction number, because it is equal to n+sod(n) for n = 40220204464597 and 40220204464606.

It is a congruent number.

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, 49961486 + ... + 50760126.

It is an arithmetic number, because the mean of its divisors is an integer number (1907733316203).

Almost surely, 2^{40220204464646} is an apocalyptic number.

40220204464646 is a deficient number, since it is larger than the sum of its proper divisors (20827261653850).

40220204464646 is a wasteful number, since it uses less digits than its factorization.

40220204464646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799688.

The product of its (nonzero) digits is 1769472, while the sum is 44.

The spelling of 40220204464646 in words is "forty trillion, two hundred twenty billion, two hundred four million, four hundred sixty-four thousand, six hundred forty-six".