4451240871 has 80 divisors (see below), whose sum is σ = 8338057728. Its totient is φ = 2298974400.

The previous prime is 4451240869. The next prime is 4451240873. The reversal of 4451240871 is 1780421544.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4451240869) and next prime (4451240873).

It is not a de Polignac number, because 4451240871 - 2¹ = 4451240869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4451240873) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1126926 + ... + 1130868.

Almost surely, 2^4451240871 is an apocalyptic number.

4451240871 is a deficient number, since it is larger than the sum of its proper divisors (3886816857).

4451240871 is a wasteful number, since it uses less digits than its factorization.

4451240871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154 (or 4145 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 4451240871 is about 66717.6203937161. The cubic root of 4451240871 is about 1644.9790275194.

The spelling of 4451240871 in words is "four billion, four hundred fifty-one million, two hundred forty thousand, eight hundred seventy-one".