4975786440 has 192 divisors, whose sum is σ = 17675573760. Its totient is φ = 1208494080.

The previous prime is 4975786421. The next prime is 4975786499. The reversal of 4975786440 is 446875794.

4975786440 is a `hidden beast` number, since 4 + 9 + 7 + 578 + 64 + 4 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176607 + ... + 202833.

It is an arithmetic number, because the mean of its divisors is an integer number (92060280).

Almost surely, 2^4975786440 is an apocalyptic number.

4975786440 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 4975786440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8837786880).

4975786440 is an abundant number, since it is smaller than the sum of its proper divisors (12699787320).

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

4975786440 is a wasteful number, since it uses less digits than its factorization.

4975786440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26292 (or 26285 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The square root of 4975786440 is about 70539.2546033767. The cubic root of 4975786440 is about 1707.2111718472.

The spelling of 4975786440 in words is "four billion, nine hundred seventy-five million, seven hundred eighty-six thousand, four hundred forty".