4031448861 has 32 divisors (see below), whose sum is σ = 6323143680. Its totient is φ = 2258236800.

The previous prime is 4031448857. The next prime is 4031448877. The reversal of 4031448861 is 1688441304.

It is not a de Polignac number, because 4031448861 - 2² = 4031448857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031448881) 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, 52705 + ... + 104118.

It is an arithmetic number, because the mean of its divisors is an integer number (197598240).

Almost surely, 2^4031448861 is an apocalyptic number.

4031448861 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4031448861 is a deficient number, since it is larger than the sum of its proper divisors (2291694819).

4031448861 is a wasteful number, since it uses less digits than its factorization.

4031448861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156897.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 4031448861 is about 63493.6915055346. The cubic root of 4031448861 is about 1591.5503595627.

The spelling of 4031448861 in words is "four billion, thirty-one million, four hundred forty-eight thousand, eight hundred sixty-one".