4042001512 has 16 divisors (see below), whose sum is σ = 7586820900. Its totient is φ = 2018849280.

The previous prime is 4042001497. The next prime is 4042001519. The reversal of 4042001512 is 2151002404.

It can be written as a sum of positive squares in 2 ways, for example, as 4021335396 + 20666116 = 63414^2 + 4546^2 .

It is a super-2 number, since 2×4042001512² = 32675552446020572288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4042001512.

It is not an unprimeable number, because it can be changed into a prime (4042001519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260937 + ... + 275992.

Almost surely, 2^4042001512 is an apocalyptic number.

It is an amenable number.

4042001512 is a deficient number, since it is larger than the sum of its proper divisors (3544819388).

4042001512 is a wasteful number, since it uses less digits than its factorization.

4042001512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537876 (or 537872 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 4042001512 is about 63576.7371921523. The cubic root of 4042001512 is about 1592.9378212568.

Adding to 4042001512 its reverse (2151002404), we get a palindrome (6193003916).

The spelling of 4042001512 in words is "four billion, forty-two million, one thousand, five hundred twelve".