76766042040 has 32 divisors (see below), whose sum is σ = 230298126480. Its totient is φ = 20470944512.

The previous prime is 76766042033. The next prime is 76766042077. The reversal of 76766042040 is 4024066767.

It is a junction number, because it is equal to n+sod(n) for n = 76766041983 and 76766042001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319858389 + ... + 319858628.

Almost surely, 2^76766042040 is an apocalyptic number.

It is an amenable number.

76766042040 is an abundant number, since it is smaller than the sum of its proper divisors (153532084440).

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

76766042040 is a wasteful number, since it uses less digits than its factorization.

76766042040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639717031 (or 639717027 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 76766042040 in words is "seventy-six billion, seven hundred sixty-six million, forty-two thousand, forty".