4236140354640 has 80 divisors (see below), whose sum is σ = 13137470094528. Its totient is φ = 1129169901568.

The previous prime is 4236140354623. The next prime is 4236140354651. The reversal of 4236140354640 is 464530416324.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 4236140354592 and 4236140354601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3071262 + ... + 4231421.

Almost surely, 2^{4236140354640} is an apocalyptic number.

4236140354640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4236140354640 is an abundant number, since it is smaller than the sum of its proper divisors (8901329739888).

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

4236140354640 is a wasteful number, since it uses less digits than its factorization.

4236140354640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7305116 (or 7305110 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 4236140354640 in words is "four trillion, two hundred thirty-six billion, one hundred forty million, three hundred fifty-four thousand, six hundred forty".