1672229026720 has 96 divisors (see below), whose sum is σ = 4519325664000. Its totient is φ = 572788709376.

The previous prime is 1672229026717. The next prime is 1672229026733. The reversal of 1672229026720 is 276209222761.

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, 463221 + ... + 1886539.

It is an arithmetic number, because the mean of its divisors is an integer number (47076309000).

Almost surely, 2^{1672229026720} is an apocalyptic number.

1672229026720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1672229026720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2259662832000).

1672229026720 is an abundant number, since it is smaller than the sum of its proper divisors (2847096637280).

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

1672229026720 is a wasteful number, since it uses less digits than its factorization.

1672229026720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424390 (or 1424382 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 1672229026720 in words is "one trillion, six hundred seventy-two billion, two hundred twenty-nine million, twenty-six thousand, seven hundred twenty".