8238416940 has 72 divisors (see below), whose sum is σ = 26912169648. Its totient is φ = 2027917440.

The previous prime is 8238416933. The next prime is 8238416969. The reversal of 8238416940 is 496148328.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1758006 + ... + 1762685.

It is an arithmetic number, because the mean of its divisors is an integer number (373780134).

Almost surely, 2^8238416940 is an apocalyptic number.

It is an amenable number.

8238416940 is an abundant number, since it is smaller than the sum of its proper divisors (18673752708).

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

8238416940 is a wasteful number, since it uses less digits than its factorization.

8238416940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520719 (or 3520714 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 8238416940 is about 90765.7255796482. The cubic root of 8238416940 is about 2019.6739123334.

The spelling of 8238416940 in words is "eight billion, two hundred thirty-eight million, four hundred sixteen thousand, nine hundred forty".