769323155540 has 24 divisors (see below), whose sum is σ = 1621287396960. Its totient is φ = 306641877408.

The previous prime is 769323155537. The next prime is 769323155569. The reversal of 769323155540 is 45551323967.

It is a happy number.

769323155540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67955750 + ... + 67967069.

It is an arithmetic number, because the mean of its divisors is an integer number (67553641540).

Almost surely, 2^769323155540 is an apocalyptic number.

It is an amenable number.

769323155540 is an abundant number, since it is smaller than the sum of its proper divisors (851964241420).

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

769323155540 is a wasteful number, since it uses less digits than its factorization.

769323155540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135923111 (or 135923109 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 50.

The spelling of 769323155540 in words is "seven hundred sixty-nine billion, three hundred twenty-three million, one hundred fifty-five thousand, five hundred forty".