4638541340 has 24 divisors (see below), whose sum is σ = 9758020272. Its totient is φ = 1852162560.

The previous prime is 4638541337. The next prime is 4638541363. The reversal of 4638541340 is 431458364.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4638541294 and 4638541303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191669 + ... + 214508.

It is an arithmetic number, because the mean of its divisors is an integer number (406584178).

Almost surely, 2^4638541340 is an apocalyptic number.

It is an amenable number.

4638541340 is an abundant number, since it is smaller than the sum of its proper divisors (5119478932).

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

4638541340 is a wasteful number, since it uses less digits than its factorization.

4638541340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406757 (or 406755 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 4638541340 is about 68106.8376890309. The cubic root of 4638541340 is about 1667.7353864674.

The spelling of 4638541340 in words is "four billion, six hundred thirty-eight million, five hundred forty-one thousand, three hundred forty".