4638494360 has 32 divisors (see below), whose sum is σ = 10455741360. Its totient is φ = 1851997056.

The previous prime is 4638494327. The next prime is 4638494363. The reversal of 4638494360 is 634948364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4638494363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84119 + ... + 127878.

Almost surely, 2^4638494360 is an apocalyptic number.

4638494360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4638494360 is an abundant number, since it is smaller than the sum of its proper divisors (5817247000).

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

4638494360 is a wasteful number, since it uses less digits than its factorization.

4638494360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212555 (or 212551 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 47.

The square root of 4638494360 is about 68106.4927888671. The cubic root of 4638494360 is about 1667.7297560715.

The spelling of 4638494360 in words is "four billion, six hundred thirty-eight million, four hundred ninety-four thousand, three hundred sixty".