828687050040 has 32 divisors (see below), whose sum is σ = 2486061150480. Its totient is φ = 220983213312.

The previous prime is 828687050017. The next prime is 828687050069. The reversal of 828687050040 is 40050786828.

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, 3452862589 + ... + 3452862828.

Almost surely, 2^828687050040 is an apocalyptic number.

It is an amenable number.

828687050040 is an abundant number, since it is smaller than the sum of its proper divisors (1657374100440).

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

828687050040 is a wasteful number, since it uses less digits than its factorization.

828687050040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6905725431 (or 6905725427 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 828687050040 in words is "eight hundred twenty-eight billion, six hundred eighty-seven million, fifty thousand, forty".