4977181440 has 864 divisors, whose sum is σ = 22284767232. Its totient is φ = 995328000.

The previous prime is 4977181387. The next prime is 4977181459. The reversal of 4977181440 is 441817794.

It is a happy number.

4977181440 is a `hidden beast` number, since 497 + 7 + 18 + 144 + 0 = 666.

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

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 27498150 + ... + 27498330.

Almost surely, 2^4977181440 is an apocalyptic number.

4977181440 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 4977181440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11142383616).

4977181440 is an abundant number, since it is smaller than the sum of its proper divisors (17307585792).

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

4977181440 is a wasteful number, since it uses less digits than its factorization.

4977181440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 4977181440 is about 70549.1420217142. The cubic root of 4977181440 is about 1707.3707002008.

The spelling of 4977181440 in words is "four billion, nine hundred seventy-seven million, one hundred eighty-one thousand, four hundred forty".