4030512642 has 64 divisors (see below), whose sum is σ = 9671760000. Its totient is φ = 1236803904.

The previous prime is 4030512641. The next prime is 4030512659. The reversal of 4030512642 is 2462150304.

4030512642 is a `hidden beast` number, since 4 + 0 + 3 + 0 + 5 + 12 + 642 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4030512641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258484 + ... + 273632.

It is an arithmetic number, because the mean of its divisors is an integer number (151121250).

Almost surely, 2^4030512642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4030512642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4835880000).

4030512642 is an abundant number, since it is smaller than the sum of its proper divisors (5641247358).

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

4030512642 is a wasteful number, since it uses less digits than its factorization.

4030512642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15552 (or 15546 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 4030512642 is about 63486.3185418717. The cubic root of 4030512642 is about 1591.4271486861.

Adding to 4030512642 its reverse (2462150304), we get a palindrome (6492662946).

The spelling of 4030512642 in words is "four billion, thirty million, five hundred twelve thousand, six hundred forty-two".