4549386240 has 672 divisors, whose sum is σ = 18892089216. Its totient is φ = 990904320.

The previous prime is 4549386227. The next prime is 4549386241. The reversal of 4549386240 is 426839454.

4549386240 is a `hidden beast` number, since 4 + 549 + 3 + 8 + 62 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

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

It is not an unprimeable number, because it can be changed into a prime (4549386241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105799659 + ... + 105799701.

It is an arithmetic number, because the mean of its divisors is an integer number (28113228).

Almost surely, 2^4549386240 is an apocalyptic number.

4549386240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4549386240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9446044608).

4549386240 is an abundant number, since it is smaller than the sum of its proper divisors (14342702976).

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

4549386240 is a wasteful number, since it uses less digits than its factorization.

4549386240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 4549386240 is about 67449.1381709211. The cubic root of 4549386240 is about 1656.9812849663.

The spelling of 4549386240 in words is "four billion, five hundred forty-nine million, three hundred eighty-six thousand, two hundred forty".