3940761800 has 24 divisors (see below), whose sum is σ = 9162271650. Its totient is φ = 1576304640.

The previous prime is 3940761779. The next prime is 3940761809. The reversal of 3940761800 is 81670493.

It can be written as a sum of positive squares in 3 ways, for example, as 1468882276 + 2471879524 = 38326^2 + 49718^2 .

It is not an unprimeable number, because it can be changed into a prime (3940761809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9851705 + ... + 9852104.

Almost surely, 2^3940761800 is an apocalyptic number.

It is an amenable number.

3940761800 is an abundant number, since it is smaller than the sum of its proper divisors (5221509850).

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

3940761800 is a wasteful number, since it uses less digits than its factorization.

3940761800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19703825 (or 19703816 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 3940761800 is about 62775.4872541823. The cubic root of 3940761800 is about 1579.5258150819.

The spelling of 3940761800 in words is "three billion, nine hundred forty million, seven hundred sixty-one thousand, eight hundred".