9740220418 has 4 divisors (see below), whose sum is σ = 14610330630. Its totient is φ = 4870110208.

The previous prime is 9740220407. The next prime is 9740220419. The reversal of 9740220418 is 8140220479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8140220479 = 43 ⋅189307453.

It can be written as a sum of positive squares in only one way, i.e., 7205802769 + 2534417649 = 84887^2 + 50343^2 .

It is not an unprimeable number, because it can be changed into a prime (9740220419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2435055103 + ... + 2435055106.

Almost surely, 2^9740220418 is an apocalyptic number.

9740220418 is a deficient number, since it is larger than the sum of its proper divisors (4870110212).

9740220418 is a wasteful number, since it uses less digits than its factorization.

9740220418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4870110211.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 9740220418 is about 98692.5550282290. Note that the first 3 decimals coincide. The cubic root of 9740220418 is about 2135.6148315454.

The spelling of 9740220418 in words is "nine billion, seven hundred forty million, two hundred twenty thousand, four hundred eighteen".