2520016394 has 12 divisors (see below), whose sum is σ = 4397171634. Its totient is φ = 1080006984.

The previous prime is 2520016391. The next prime is 2520016409. The reversal of 2520016394 is 4936100252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1679770225 + 840246169 = 40985^2 + 28987^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2520016394.

It is not an unprimeable number, because it can be changed into a prime (2520016391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12857129 + ... + 12857324.

Almost surely, 2^2520016394 is an apocalyptic number.

2520016394 is a deficient number, since it is larger than the sum of its proper divisors (1877155240).

2520016394 is a wasteful number, since it uses less digits than its factorization.

2520016394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25714469 (or 25714462 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2520016394 is about 50199.7648799275. The cubic root of 2520016394 is about 1360.8213741442.

The spelling of 2520016394 in words is "two billion, five hundred twenty million, sixteen thousand, three hundred ninety-four".