1372215443456 has 288 divisors, whose sum is σ = 3250153771200. Its totient is φ = 571138375680.

The previous prime is 1372215443453. The next prime is 1372215443491. The reversal of 1372215443456 is 6543445122731.

It is a self number, because there is not a number n which added to its sum of digits gives 1372215443456.

It is not an unprimeable number, because it can be changed into a prime (1372215443453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3355049780 + ... + 3355050188.

It is an arithmetic number, because the mean of its divisors is an integer number (11285256150).

Almost surely, 2^{1372215443456} is an apocalyptic number.

1372215443456 is a gapful number since it is divisible by the number (16) 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 1372215443456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1625076885600).

1372215443456 is an abundant number, since it is smaller than the sum of its proper divisors (1877938327744).

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

1372215443456 is an equidigital number, since it uses as much as digits as its factorization.

1372215443456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 614 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 47.

The spelling of 1372215443456 in words is "one trillion, three hundred seventy-two billion, two hundred fifteen million, four hundred forty-three thousand, four hundred fifty-six".