4012331642 has 32 divisors (see below), whose sum is σ = 6650631360. Its totient is φ = 1800247680.

The previous prime is 4012331629. The next prime is 4012331657. The reversal of 4012331642 is 2461332104.

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 15 ways as a sum of consecutive naturals, for example, 1480853 + ... + 1483559.

It is an arithmetic number, because the mean of its divisors is an integer number (207832230).

Almost surely, 2^4012331642 is an apocalyptic number.

4012331642 is a deficient number, since it is larger than the sum of its proper divisors (2638299718).

4012331642 is a wasteful number, since it uses less digits than its factorization.

4012331642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 4012331642 is about 63342.9683706092. The cubic root of 4012331642 is about 1589.0306502687.

Adding to 4012331642 its reverse (2461332104), we get a palindrome (6473663746).

The spelling of 4012331642 in words is "four billion, twelve million, three hundred thirty-one thousand, six hundred forty-two".