4189428490 has 96 divisors (see below), whose sum is σ = 8747739504. Its totient is φ = 1430937600.

The previous prime is 4189428487. The next prime is 4189428491. The reversal of 4189428490 is 948249814.

It can be written as a sum of positive squares in 24 ways, for example, as 281803369 + 3907625121 = 16787^2 + 62511^2 .

It is a super-2 number, since 2×4189428490² = 35102622145647360200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4189428491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30579702 + ... + 30579838.

Almost surely, 2^4189428490 is an apocalyptic number.

4189428490 is an abundant number, since it is smaller than the sum of its proper divisors (4558311014).

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

4189428490 is a wasteful number, since it uses less digits than its factorization.

4189428490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 4189428490 is about 64725.7946262539. The cubic root of 4189428490 is about 1612.0738279643.

The spelling of 4189428490 in words is "four billion, one hundred eighty-nine million, four hundred twenty-eight thousand, four hundred ninety".