827696440 has 32 divisors (see below), whose sum is σ = 1883250000. Its totient is φ = 327357184.

The previous prime is 827696413. The next prime is 827696473. The reversal of 827696440 is 44696728.

It is a happy number.

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, 112690 + ... + 119809.

Almost surely, 2^827696440 is an apocalyptic number.

It is an amenable number.

827696440 is an abundant number, since it is smaller than the sum of its proper divisors (1055553560).

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

827696440 is a wasteful number, since it uses less digits than its factorization.

827696440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232599 (or 232595 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 827696440 is about 28769.7139367078. The cubic root of 827696440 is about 938.9094187721.

The spelling of 827696440 in words is "eight hundred twenty-seven million, six hundred ninety-six thousand, four hundred forty".