1780732608468 has 48 divisors (see below), whose sum is σ = 4532853104640. Its totient is φ = 539606514400.

The previous prime is 1780732608451. The next prime is 1780732608491. The reversal of 1780732608468 is 8648062370871.

It is a happy number.

It is a super-2 number, since 2×1780732608468² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 12856423 + ... + 12994193.

It is an arithmetic number, because the mean of its divisors is an integer number (94434439680).

Almost surely, 2^{1780732608468} is an apocalyptic number.

It is an amenable number.

1780732608468 is an abundant number, since it is smaller than the sum of its proper divisors (2752120496172).

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

1780732608468 is a wasteful number, since it uses less digits than its factorization.

1780732608468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235708 (or 235706 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 60.

The spelling of 1780732608468 in words is "one trillion, seven hundred eighty billion, seven hundred thirty-two million, six hundred eight thousand, four hundred sixty-eight".