4634218601640 has 48 divisors (see below), whose sum is σ = 15061210456500. Its totient is φ = 1235791627008.

The previous prime is 4634218601627. The next prime is 4634218601641. The reversal of 4634218601640 is 461068124364.

4634218601640 is a `hidden beast` number, since 4 + 6 + 3 + 421 + 8 + 60 + 164 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4416478777764 + 217739823876 = 2101542^2 + 466626^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (4634218601641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6436414365 + ... + 6436415084.

Almost surely, 2^{4634218601640} is an apocalyptic number.

4634218601640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4634218601640 is an abundant number, since it is smaller than the sum of its proper divisors (10426991854860).

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

4634218601640 is a wasteful number, since it uses less digits than its factorization.

4634218601640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12872829466 (or 12872829459 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 4634218601640 in words is "four trillion, six hundred thirty-four billion, two hundred eighteen million, six hundred one thousand, six hundred forty".