780026532416 has 56 divisors (see below), whose sum is σ = 1586605980960. Its totient is φ = 380263654400.

The previous prime is 780026532409. The next prime is 780026532433. The reversal of 780026532416 is 614235620087.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4156451 + ... + 4340061.

It is an arithmetic number, because the mean of its divisors is an integer number (28332249660).

Almost surely, 2^780026532416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 780026532416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793302990480).

780026532416 is an abundant number, since it is smaller than the sum of its proper divisors (806579448544).

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

780026532416 is a wasteful number, since it uses less digits than its factorization.

780026532416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185283 (or 185273 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 780026532416 in words is "seven hundred eighty billion, twenty-six million, five hundred thirty-two thousand, four hundred sixteen".