9428940488 has 36 divisors (see below), whose sum is σ = 19438807185. Its totient is φ = 4284508800.

The previous prime is 9428940487. The next prime is 9428940517. The reversal of 9428940488 is 8840498249.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 4953062884 + 4475877604 = 70378^2 + 66902^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=68662.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9428940481) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3019568 + ... + 3022688.

Almost surely, 2^9428940488 is an apocalyptic number.

It is an amenable number.

9428940488 is an abundant number, since it is smaller than the sum of its proper divisors (10009866697).

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

9428940488 is an equidigital number, since it uses as much as digits as its factorization.

9428940488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6270 (or 3134 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 56.

The square root of 9428940488 is about 97102.7316196615. The cubic root of 9428940488 is about 2112.6179470716.

The spelling of 9428940488 in words is "nine billion, four hundred twenty-eight million, nine hundred forty thousand, four hundred eighty-eight".