4787432640 has 224 divisors, whose sum is σ = 17025884160. Its totient is φ = 1266306048.

The previous prime is 4787432621. The next prime is 4787432647. The reversal of 4787432640 is 462347874.

It is a super-2 number, since 2×4787432640² = 45839022565074739200, which contains 22 as substring.

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 (4787432647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1095099 + ... + 1099461.

Almost surely, 2^4787432640 is an apocalyptic number.

4787432640 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 4787432640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8512942080).

4787432640 is an abundant number, since it is smaller than the sum of its proper divisors (12238451520).

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

4787432640 is a wasteful number, since it uses less digits than its factorization.

4787432640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4516 (or 4500 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The square root of 4787432640 is about 69191.2757506320. The cubic root of 4787432640 is about 1685.3918603048.

The spelling of 4787432640 in words is "four billion, seven hundred eighty-seven million, four hundred thirty-two thousand, six hundred forty".