4786505640 has 192 divisors, whose sum is σ = 18212463360. Its totient is φ = 1067351040.

The previous prime is 4786505621. The next prime is 4786505657. The reversal of 4786505640 is 465056874.

4786505640 is a `hidden beast` number, since 4 + 7 + 86 + 5 + 0 + 564 + 0 = 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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80157 + ... + 126483.

It is an arithmetic number, because the mean of its divisors is an integer number (94856580).

Almost surely, 2^4786505640 is an apocalyptic number.

4786505640 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 4786505640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9106231680).

4786505640 is an abundant number, since it is smaller than the sum of its proper divisors (13425957720).

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

4786505640 is a wasteful number, since it uses less digits than its factorization.

4786505640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46392 (or 46385 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 4786505640 is about 69184.5766049052. The cubic root of 4786505640 is about 1685.2830713690.

The spelling of 4786505640 in words is "four billion, seven hundred eighty-six million, five hundred five thousand, six hundred forty".