840511918092 has 48 divisors (see below), whose sum is σ = 2445125582592. Its totient is φ = 218314783680.

The previous prime is 840511918007. The next prime is 840511918133. The reversal of 840511918092 is 290819115048.

It is a happy number.

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, 454821543 + ... + 454823390.

It is an arithmetic number, because the mean of its divisors is an integer number (50940116304).

Almost surely, 2^840511918092 is an apocalyptic number.

It is an amenable number.

840511918092 is an abundant number, since it is smaller than the sum of its proper divisors (1604613664500).

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

840511918092 is a wasteful number, since it uses less digits than its factorization.

840511918092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909644958 (or 909644956 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 48.

The spelling of 840511918092 in words is "eight hundred forty billion, five hundred eleven million, nine hundred eighteen thousand, ninety-two".