4013250642 has 96 divisors (see below), whose sum is σ = 9441169920. Its totient is φ = 1227882240.

The previous prime is 4013250629. The next prime is 4013250649. The reversal of 4013250642 is 2460523104.

4013250642 is a `hidden beast` number, since 4 + 0 + 13 + 2 + 5 + 0 + 642 = 666.

It is a super-2 number, since 2×4013250642² = 32212361431026824328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4013250649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2200543 + ... + 2202365.

It is an arithmetic number, because the mean of its divisors is an integer number (98345520).

Almost surely, 2^4013250642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4013250642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4720584960).

4013250642 is an abundant number, since it is smaller than the sum of its proper divisors (5427919278).

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

4013250642 is a wasteful number, since it uses less digits than its factorization.

4013250642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048 (or 2045 counting only the distinct ones).

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

The square root of 4013250642 is about 63350.2221148434. Note that the first 3 decimals coincide. The cubic root of 4013250642 is about 1589.1519602550.

Adding to 4013250642 its reverse (2460523104), we get a palindrome (6473773746).

The spelling of 4013250642 in words is "four billion, thirteen million, two hundred fifty thousand, six hundred forty-two".