840997006104 has 32 divisors (see below), whose sum is σ = 2102703217920. Its totient is φ = 280304241696.

The previous prime is 840997006103. The next prime is 840997006121. The reversal of 840997006104 is 401600799048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840997006103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1510684 + ... + 1991019.

It is an arithmetic number, because the mean of its divisors is an integer number (65709475560).

Almost surely, 2^840997006104 is an apocalyptic number.

It is an amenable number.

840997006104 is an abundant number, since it is smaller than the sum of its proper divisors (1261706211816).

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

840997006104 is a wasteful number, since it uses less digits than its factorization.

840997006104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511719 (or 3511715 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 840997006104 in words is "eight hundred forty billion, nine hundred ninety-seven million, six thousand, one hundred four".