4001261240858 has 16 divisors (see below), whose sum is σ = 6887766836544. Its totient is φ = 1707710783040.

The previous prime is 4001261240857. The next prime is 4001261240881. The reversal of 4001261240858 is 8580421621004.

It is a super-3 number, since 3×4001261240858³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4001261240857) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 592951760 + ... + 592958507.

It is an arithmetic number, because the mean of its divisors is an integer number (430485427284).

Almost surely, 2^{4001261240858} is an apocalyptic number.

4001261240858 is a deficient number, since it is larger than the sum of its proper divisors (2886505595686).

4001261240858 is a wasteful number, since it uses less digits than its factorization.

4001261240858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185910517.

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 4001261240858 in words is "four trillion, one billion, two hundred sixty-one million, two hundred forty thousand, eight hundred fifty-eight".