4894163940 has 24 divisors (see below), whose sum is σ = 13703659200. Its totient is φ = 1305110368.

The previous prime is 4894163921. The next prime is 4894163987. The reversal of 4894163940 is 493614984.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4894163940.

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, 40784640 + ... + 40784759.

It is an arithmetic number, because the mean of its divisors is an integer number (570985800).

Almost surely, 2^4894163940 is an apocalyptic number.

It is an amenable number.

4894163940 is an abundant number, since it is smaller than the sum of its proper divisors (8809495260).

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

4894163940 is a wasteful number, since it uses less digits than its factorization.

4894163940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81569411 (or 81569409 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 4894163940 is about 69958.3014373562. The cubic root of 4894163940 is about 1697.8246616609.

The spelling of 4894163940 in words is "four billion, eight hundred ninety-four million, one hundred sixty-three thousand, nine hundred forty".