4011645842 has 8 divisors (see below), whose sum is σ = 6017906316. Its totient is φ = 2005677072.

The previous prime is 4011645821. The next prime is 4011645877. The reversal of 4011645842 is 2485461104.

It can be written as a sum of positive squares in 2 ways, for example, as 2838651841 + 1172994001 = 53279^2 + 34249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 34493 + ... + 95984.

Almost surely, 2^4011645842 is an apocalyptic number.

4011645842 is a deficient number, since it is larger than the sum of its proper divisors (2006260474).

4011645842 is a wasteful number, since it uses less digits than its factorization.

4011645842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145852.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 4011645842 is about 63337.5547522953. The cubic root of 4011645842 is about 1588.9401111167.

It can be divided in two parts, 40116 and 45842, that added together give a palindrome (85958).

The spelling of 4011645842 in words is "four billion, eleven million, six hundred forty-five thousand, eight hundred forty-two".