4678941640 has 16 divisors (see below), whose sum is σ = 10527618780. Its totient is φ = 1871576640.

The previous prime is 4678941629. The next prime is 4678941661. The reversal of 4678941640 is 461498764.

It can be written as a sum of positive squares in 2 ways, for example, as 4583019204 + 95922436 = 67698^2 + 9794^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58486731 + ... + 58486810.

Almost surely, 2^4678941640 is an apocalyptic number.

4678941640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4678941640 is an abundant number, since it is smaller than the sum of its proper divisors (5848677140).

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

4678941640 is a wasteful number, since it uses less digits than its factorization.

4678941640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116973552 (or 116973548 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 4678941640 is about 68402.7897091924. The cubic root of 4678941640 is about 1672.5632216921.

The spelling of 4678941640 in words is "four billion, six hundred seventy-eight million, nine hundred forty-one thousand, six hundred forty".