4000312450 has 24 divisors (see below), whose sum is σ = 7468266420. Its totient is φ = 1594171200.

The previous prime is 4000312439. The next prime is 4000312469. The reversal of 4000312450 is 542130004.

It can be written as a sum of positive squares in 6 ways, for example, as 16556761 + 3983755689 = 4069^2 + 63117^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135261 + ... + 162160.

Almost surely, 2^4000312450 is an apocalyptic number.

4000312450 is a deficient number, since it is larger than the sum of its proper divisors (3467953970).

4000312450 is a wasteful number, since it uses less digits than its factorization.

4000312450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297702 (or 297697 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4000312450 is about 63248.0232892697. The cubic root of 4000312450 is about 1587.4423828470.

Adding to 4000312450 its reverse (542130004), we get a palindrome (4542442454).

The spelling of 4000312450 in words is "four billion, three hundred twelve thousand, four hundred fifty".