1220190466944 has 64 divisors (see below), whose sum is σ = 3247056771840. Its totient is φ = 405986520576.

The previous prime is 1220190466939. The next prime is 1220190466969. The reversal of 1220190466944 is 4496640910221.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1220190466893 and 1220190466902.

It is a congruent number.

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, 2694504 + ... + 3114599.

It is an arithmetic number, because the mean of its divisors is an integer number (50735262060).

Almost surely, 2^{1220190466944} is an apocalyptic number.

It is an amenable number.

1220190466944 is an abundant number, since it is smaller than the sum of its proper divisors (2026866304896).

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

1220190466944 is an equidigital number, since it uses as much as digits as its factorization.

1220190466944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5809667 (or 5809655 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 1220190466944 in words is "one trillion, two hundred twenty billion, one hundred ninety million, four hundred sixty-six thousand, nine hundred forty-four".