2443203152540 has 24 divisors (see below), whose sum is σ = 5139042248592. Its totient is φ = 975697331840.

The previous prime is 2443203152527. The next prime is 2443203152557. The reversal of 2443203152540 is 452513023442.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2443203152540.

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, 98982926 + ... + 99007605.

It is an arithmetic number, because the mean of its divisors is an integer number (214126760358).

Almost surely, 2^{2443203152540} is an apocalyptic number.

2443203152540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2443203152540 is an abundant number, since it is smaller than the sum of its proper divisors (2695839096052).

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

2443203152540 is a wasteful number, since it uses less digits than its factorization.

2443203152540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197991157 (or 197991155 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 2443203152540 its reverse (452513023442), we get a palindrome (2895716175982).

The spelling of 2443203152540 in words is "two trillion, four hundred forty-three billion, two hundred three million, one hundred fifty-two thousand, five hundred forty".