840465000102 has 64 divisors (see below), whose sum is σ = 2068947578880. Its totient is φ = 221649243264.

The previous prime is 840465000077. The next prime is 840465000103. The reversal of 840465000102 is 201000564048.

It is a self number, because there is not a number n which added to its sum of digits gives 840465000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840465000103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15645024 + ... + 15698652.

It is an arithmetic number, because the mean of its divisors is an integer number (32327305920).

Almost surely, 2^840465000102 is an apocalyptic number.

840465000102 is an abundant number, since it is smaller than the sum of its proper divisors (1228482578778).

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

840465000102 is a wasteful number, since it uses less digits than its factorization.

840465000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82357.

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 840465000102 in words is "eight hundred forty billion, four hundred sixty-five million, one hundred two", and thus it is an aban number.