836041640927820 has 96 divisors (see below), whose sum is σ = 2543610561300480. Its totient is φ = 204397277230080.

The previous prime is 836041640927819. The next prime is 836041640927837. The reversal of 836041640927820 is 28729046140638.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11828510797 + ... + 11828581476.

It is an arithmetic number, because the mean of its divisors is an integer number (26495943346880).

Almost surely, 2^{836041640927820} is an apocalyptic number.

It is an amenable number.

836041640927820 is an abundant number, since it is smaller than the sum of its proper divisors (1707568920372660).

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

836041640927820 is a wasteful number, since it uses less digits than its factorization.

836041640927820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23657092335 (or 23657092333 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 60.

The spelling of 836041640927820 in words is "eight hundred thirty-six trillion, forty-one billion, six hundred forty million, nine hundred twenty-seven thousand, eight hundred twenty".