4640932840 has 16 divisors (see below), whose sum is σ = 10442098980. Its totient is φ = 1856373120.

The previous prime is 4640932817. The next prime is 4640932859. The reversal of 4640932840 is 482390464.

It can be written as a sum of positive squares in 2 ways, for example, as 4609595236 + 31337604 = 67894^2 + 5598^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 116023321 = 4640932840 / (4 + 6 + 4 + 0 + 9 + 3 + 2 + 8 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 4640932793 and 4640932802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58011621 + ... + 58011700.

Almost surely, 2^4640932840 is an apocalyptic number.

4640932840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4640932840 is an abundant number, since it is smaller than the sum of its proper divisors (5801166140).

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

4640932840 is a wasteful number, since it uses less digits than its factorization.

4640932840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116023332 (or 116023328 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 4640932840 is about 68124.3924009602. The cubic root of 4640932840 is about 1668.0219495374.

The spelling of 4640932840 in words is "four billion, six hundred forty million, nine hundred thirty-two thousand, eight hundred forty".