4451195840 has 112 divisors (see below), whose sum is σ = 13045513152. Its totient is φ = 1408720896.

The previous prime is 4451195821. The next prime is 4451195857. The reversal of 4451195840 is 485911544.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47309 + ... + 105548.

It is an arithmetic number, because the mean of its divisors is an integer number (116477796).

Almost surely, 2^4451195840 is an apocalyptic number.

4451195840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4451195840 is an abundant number, since it is smaller than the sum of its proper divisors (8594317312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4451195840 is a wasteful number, since it uses less digits than its factorization.

4451195840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152894 (or 152884 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 4451195840 is about 66717.2829182964. The cubic root of 4451195840 is about 1644.9734803546.

The spelling of 4451195840 in words is "four billion, four hundred fifty-one million, one hundred ninety-five thousand, eight hundred forty".