2428978052 has 6 divisors (see below), whose sum is σ = 4250711598. Its totient is φ = 1214489024.

The previous prime is 2428978051. The next prime is 2428978087. The reversal of 2428978052 is 2508798242.

It can be written as a sum of positive squares in only one way, i.e., 1398311236 + 1030666816 = 37394^2 + 32104^2 .

It is a super-3 number, since 3×2428978052³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2428977988 and 2428978006.

It is not an unprimeable number, because it can be changed into a prime (2428978051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303622253 + ... + 303622260.

It is an arithmetic number, because the mean of its divisors is an integer number (708451933).

Almost surely, 2^2428978052 is an apocalyptic number.

It is an amenable number.

2428978052 is a deficient number, since it is larger than the sum of its proper divisors (1821733546).

2428978052 is a wasteful number, since it uses less digits than its factorization.

2428978052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607244517 (or 607244515 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 2428978052 is about 49284.6634562924. The cubic root of 2428978052 is about 1344.2329299432.

The spelling of 2428978052 in words is "two billion, four hundred twenty-eight million, nine hundred seventy-eight thousand, fifty-two".