840477965245014 has 16 divisors (see below), whose sum is σ = 1681203020962752. Its totient is φ = 280118140002888.

The previous prime is 840477965245003. The next prime is 840477965245111. The reversal of 840477965245014 is 410542569774048.

It is a super-2 number, since 2×840477965245014² (a number of 31 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10295392144 + ... + 10295473779.

It is an arithmetic number, because the mean of its divisors is an integer number (105075188810172).

Almost surely, 2^{840477965245014} is an apocalyptic number.

840477965245014 is an abundant number, since it is smaller than the sum of its proper divisors (840725055717738).

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

840477965245014 is a wasteful number, since it uses less digits than its factorization.

840477965245014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20590872731.

The product of its (nonzero) digits is 270950400, while the sum is 66.

The spelling of 840477965245014 in words is "eight hundred forty trillion, four hundred seventy-seven billion, nine hundred sixty-five million, two hundred forty-five thousand, fourteen".