1780029359456 has 12 divisors (see below), whose sum is σ = 3504432801492. Its totient is φ = 890014679712.

The previous prime is 1780029359401. The next prime is 1780029359473. The reversal of 1780029359456 is 6549539200871.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1780029359395 and 1780029359404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27812958710 + ... + 27812958773.

It is an arithmetic number, because the mean of its divisors is an integer number (292036066791).

It is a 1-persistent number, because it is pandigital, but 2⋅1780029359456 = 3560058718912 is not.

Almost surely, 2^{1780029359456} is an apocalyptic number.

1780029359456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1780029359456 is a deficient number, since it is larger than the sum of its proper divisors (1724403442036).

1780029359456 is an equidigital number, since it uses as much as digits as its factorization.

1780029359456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55625917493 (or 55625917485 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 59.

The spelling of 1780029359456 in words is "one trillion, seven hundred eighty billion, twenty-nine million, three hundred fifty-nine thousand, four hundred fifty-six".