4634131640 has 32 divisors (see below), whose sum is σ = 10430316000. Its totient is φ = 1853026944.

The previous prime is 4634131639. The next prime is 4634131669. The reversal of 4634131640 is 461314364.

It is a junction number, because it is equal to n+sod(n) for n = 4634131597 and 4634131606.

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, 111221 + ... + 147099.

It is an arithmetic number, because the mean of its divisors is an integer number (325947375).

Almost surely, 2^4634131640 is an apocalyptic number.

4634131640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4634131640 is an abundant number, since it is smaller than the sum of its proper divisors (5796184360).

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

4634131640 is a wasteful number, since it uses less digits than its factorization.

4634131640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39119 (or 39115 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 4634131640 is about 68074.4565898252. The cubic root of 4634131640 is about 1667.2067328893.

The spelling of 4634131640 in words is "four billion, six hundred thirty-four million, one hundred thirty-one thousand, six hundred forty".