9640042854 has 32 divisors (see below), whose sum is σ = 21665919744. Its totient is φ = 2837202720.

The previous prime is 9640042799. The next prime is 9640042871. The reversal of 9640042854 is 4582400469.

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 15 ways as a sum of consecutive naturals, for example, 2684952 + ... + 2688539.

It is an arithmetic number, because the mean of its divisors is an integer number (677059992).

Almost surely, 2^9640042854 is an apocalyptic number.

9640042854 is an abundant number, since it is smaller than the sum of its proper divisors (12025876890).

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

9640042854 is a wasteful number, since it uses less digits than its factorization.

9640042854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373532.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 9640042854 is about 98183.7199030471. The cubic root of 9640042854 is about 2128.2680311085.

The spelling of 9640042854 in words is "nine billion, six hundred forty million, forty-two thousand, eight hundred fifty-four".