428183439650 has 48 divisors (see below), whose sum is σ = 826700480640. Its totient is φ = 164881185600.

The previous prime is 428183439613. The next prime is 428183439653. The reversal of 428183439650 is 56934381824.

It is a super-3 number, since 3×428183439650³ (a number of 36 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 428183439592 and 428183439601.

It is not an unprimeable number, because it can be changed into a prime (428183439653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1350140 + ... + 1636839.

It is an arithmetic number, because the mean of its divisors is an integer number (17222926680).

Almost surely, 2^428183439650 is an apocalyptic number.

428183439650 is a deficient number, since it is larger than the sum of its proper divisors (398517040990).

428183439650 is a wasteful number, since it uses less digits than its factorization.

428183439650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987099 (or 2987094 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 428183439650 in words is "four hundred twenty-eight billion, one hundred eighty-three million, four hundred thirty-nine thousand, six hundred fifty".