4454556840 has 96 divisors (see below), whose sum is σ = 15239296800. Its totient is φ = 1125360000.

The previous prime is 4454556839. The next prime is 4454556853. The reversal of 4454556840 is 486554544.

It is a happy number.

4454556840 is a `hidden beast` number, since 4 + 4 + 5 + 45 + 568 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318786 + ... + 332465.

It is an arithmetic number, because the mean of its divisors is an integer number (158742675).

Almost surely, 2^4454556840 is an apocalyptic number.

4454556840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4454556840 is an abundant number, since it is smaller than the sum of its proper divisors (10784739960).

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

4454556840 is a wasteful number, since it uses less digits than its factorization.

4454556840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651287 (or 651280 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 45.

The square root of 4454556840 is about 66742.4665411760. The cubic root of 4454556840 is about 1645.3874039459.

The spelling of 4454556840 in words is "four billion, four hundred fifty-four million, five hundred fifty-six thousand, eight hundred forty".