4001512650 has 24 divisors (see below), whose sum is σ = 9923751744. Its totient is φ = 1067070000.

The previous prime is 4001512609. The next prime is 4001512673. The reversal of 4001512650 is 562151004.

4001512650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4001512650² = 32024206976220045000, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4001512650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13338226 + ... + 13338525.

It is an arithmetic number, because the mean of its divisors is an integer number (413489656).

Almost surely, 2^4001512650 is an apocalyptic number.

4001512650 is an abundant number, since it is smaller than the sum of its proper divisors (5922239094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4001512650 is a wasteful number, since it uses less digits than its factorization.

4001512650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26676766 (or 26676761 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 4001512650 is about 63257.5106212693. The cubic root of 4001512650 is about 1587.6011252670.

Adding to 4001512650 its reverse (562151004), we get a palindrome (4563663654).

The spelling of 4001512650 in words is "four billion, one million, five hundred twelve thousand, six hundred fifty".