4638485240 has 16 divisors (see below), whose sum is σ = 10436591880. Its totient is φ = 1855394080.

The previous prime is 4638485231. The next prime is 4638485261. The reversal of 4638485240 is 425848364.

It is a junction number, because it is equal to n+sod(n) for n = 4638485191 and 4638485200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57981026 + ... + 57981105.

Almost surely, 2^4638485240 is an apocalyptic number.

4638485240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4638485240 is an abundant number, since it is smaller than the sum of its proper divisors (5798106640).

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

4638485240 is a wasteful number, since it uses less digits than its factorization.

4638485240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115962142 (or 115962138 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 44.

The square root of 4638485240 is about 68106.4258348652. The cubic root of 4638485240 is about 1667.7286630656.

The spelling of 4638485240 in words is "four billion, six hundred thirty-eight million, four hundred eighty-five thousand, two hundred forty".