1240353541444 has 12 divisors (see below), whose sum is σ = 2171424738924. Its totient is φ = 619946473184.

The previous prime is 1240353541429. The next prime is 1240353541487. The reversal of 1240353541444 is 4441453530421.

It can be written as a sum of positive squares in 2 ways, for example, as 252695225344 + 987658316100 = 502688^2 + 993810^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1240353541397 and 1240353541406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57562267 + ... + 57583810.

It is an arithmetic number, because the mean of its divisors is an integer number (180952061577).

Almost surely, 2^{1240353541444} is an apocalyptic number.

It is an amenable number.

1240353541444 is a deficient number, since it is larger than the sum of its proper divisors (931071197480).

1240353541444 is a wasteful number, since it uses less digits than its factorization.

1240353541444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115148774 (or 115148772 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 1240353541444 in words is "one trillion, two hundred forty billion, three hundred fifty-three million, five hundred forty-one thousand, four hundred forty-four".