766453132438 has 24 divisors (see below), whose sum is σ = 1337453557272. Its totient is φ = 328462462944.

The previous prime is 766453132349. The next prime is 766453132453. The reversal of 766453132438 is 834231354667.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1738906 + ... + 2134642.

It is an arithmetic number, because the mean of its divisors is an integer number (55727231553).

Almost surely, 2^766453132438 is an apocalyptic number.

766453132438 is a deficient number, since it is larger than the sum of its proper divisors (571000424834).

766453132438 is a wasteful number, since it uses less digits than its factorization.

766453132438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415516 (or 415509 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 52.

The spelling of 766453132438 in words is "seven hundred sixty-six billion, four hundred fifty-three million, one hundred thirty-two thousand, four hundred thirty-eight".