1084212804840 has 64 divisors (see below), whose sum is σ = 3548332820160. Its totient is φ = 262839467520.

The previous prime is 1084212804839. The next prime is 1084212804859. The reversal of 1084212804840 is 484082124801.

It is a junction number, because it is equal to n+sod(n) for n = 1084212804792 and 1084212804801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410685349 + ... + 410687988.

It is an arithmetic number, because the mean of its divisors is an integer number (55442700315).

Almost surely, 2^{1084212804840} is an apocalyptic number.

1084212804840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1084212804840 is an abundant number, since it is smaller than the sum of its proper divisors (2464120015320).

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

1084212804840 is a wasteful number, since it uses less digits than its factorization.

1084212804840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821373362 (or 821373358 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 42.

The spelling of 1084212804840 in words is "one trillion, eighty-four billion, two hundred twelve million, eight hundred four thousand, eight hundred forty".