2440220233640 has 64 divisors (see below), whose sum is σ = 6313348172160. Its totient is φ = 831514118400.

The previous prime is 2440220233621. The next prime is 2440220233667. The reversal of 2440220233640 is 463320220442.

It is a junction number, because it is equal to n+sod(n) for n = 2440220233597 and 2440220233606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26687711 + ... + 26778990.

It is an arithmetic number, because the mean of its divisors is an integer number (98646065190).

Almost surely, 2^{2440220233640} is an apocalyptic number.

2440220233640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440220233640 is an abundant number, since it is smaller than the sum of its proper divisors (3873127938520).

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

2440220233640 is a wasteful number, since it uses less digits than its factorization.

2440220233640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53466882 (or 53466878 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

The spelling of 2440220233640 in words is "two trillion, four hundred forty billion, two hundred twenty million, two hundred thirty-three thousand, six hundred forty".