840862949068 has 48 divisors (see below), whose sum is σ = 1516623897600. Its totient is φ = 407708630784.

The previous prime is 840862949041. The next prime is 840862949099. The reversal of 840862949068 is 860949268048.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

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, 97781833 + ... + 97790431.

It is an arithmetic number, because the mean of its divisors is an integer number (31596331200).

Almost surely, 2^840862949068 is an apocalyptic number.

It is an amenable number.

840862949068 is a deficient number, since it is larger than the sum of its proper divisors (675760948532).

840862949068 is a wasteful number, since it uses less digits than its factorization.

840862949068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13366 (or 13364 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 64.

The spelling of 840862949068 in words is "eight hundred forty billion, eight hundred sixty-two million, nine hundred forty-nine thousand, sixty-eight".