1240230203444 has 6 divisors (see below), whose sum is σ = 2170402856034. Its totient is φ = 620115101720.

The previous prime is 1240230203417. The next prime is 1240230203461. The reversal of 1240230203444 is 4443020320421.

It can be written as a sum of positive squares in only one way, i.e., 1095396678544 + 144833524900 = 1046612^2 + 380570^2 .

It is a super-2 number, since 2×1240230203444² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155028775427 + ... + 155028775434.

It is an arithmetic number, because the mean of its divisors is an integer number (361733809339).

Almost surely, 2^{1240230203444} is an apocalyptic number.

It is an amenable number.

1240230203444 is a deficient number, since it is larger than the sum of its proper divisors (930172652590).

1240230203444 is a wasteful number, since it uses less digits than its factorization.

1240230203444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310057550865 (or 310057550863 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 1240230203444 its reverse (4443020320421), we get a palindrome (5683250523865).

The spelling of 1240230203444 in words is "one trillion, two hundred forty billion, two hundred thirty million, two hundred three thousand, four hundred forty-four".