4791771493940 has 24 divisors (see below), whose sum is σ = 10062887319240. Its totient is φ = 1916676753408.

The previous prime is 4791771493891. The next prime is 4791771494009. The reversal of 4791771493940 is 493941771974.

It can be written as a sum of positive squares in 4 ways, for example, as 15877008016 + 4775894485924 = 126004^2 + 2185382^2 .

It is a super-2 number, since 2×4791771493940² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

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, 737117 + ... + 3182276.

It is an arithmetic number, because the mean of its divisors is an integer number (419286971635).

Almost surely, 2^{4791771493940} is an apocalyptic number.

It is an amenable number.

4791771493940 is an abundant number, since it is smaller than the sum of its proper divisors (5271115825300).

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

4791771493940 is a wasteful number, since it uses less digits than its factorization.

4791771493940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980531 (or 3980529 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 65.

The spelling of 4791771493940 in words is "four trillion, seven hundred ninety-one billion, seven hundred seventy-one million, four hundred ninety-three thousand, nine hundred forty".