76671038440 has 24 divisors (see below), whose sum is σ = 172513776870. Its totient is φ = 30667714880.

The previous prime is 76671038429. The next prime is 76671038461. The reversal of 76671038440 is 4483017667.

It can be written as a sum of positive squares in 3 ways, for example, as 72816863716 + 3854174724 = 269846^2 + 62082^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1729350 + ... + 1773130.

Almost surely, 2^76671038440 is an apocalyptic number.

It is an amenable number.

76671038440 is an abundant number, since it is smaller than the sum of its proper divisors (95842738430).

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

76671038440 is an frugal number, since it uses more digits than its factorization.

76671038440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87573 (or 43788 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 76671038440 in words is "seventy-six billion, six hundred seventy-one million, thirty-eight thousand, four hundred forty".