4640420000 has 120 divisors (see below), whose sum is σ = 11589865056. Its totient is φ = 1827936000.

The previous prime is 4640419969. The next prime is 4640420003. The reversal of 4640420000 is 240464.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (4640420003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1338269 + ... + 1341731.

Almost surely, 2^4640420000 is an apocalyptic number.

4640420000 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 4640420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5794932528).

4640420000 is an abundant number, since it is smaller than the sum of its proper divisors (6949445056).

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

4640420000 is an equidigital number, since it uses as much as digits as its factorization.

4640420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560 (or 3537 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4640420000 is about 68120.6283000972. The cubic root of 4640420000 is about 1667.9605064384.

Adding to 4640420000 its reverse (240464), we get a palindrome (4640660464).

The spelling of 4640420000 in words is "four billion, six hundred forty million, four hundred twenty thousand".