1241401233540 has 192 divisors, whose sum is σ = 3802474561536. Its totient is φ = 300753243648.

The previous prime is 1241401233539. The next prime is 1241401233559. The reversal of 1241401233540 is 453321041421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1241401233498 and 1241401233507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63904269 + ... + 63923691.

It is an arithmetic number, because the mean of its divisors is an integer number (19804555008).

Almost surely, 2^{1241401233540} is an apocalyptic number.

1241401233540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241401233540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1901237280768).

1241401233540 is an abundant number, since it is smaller than the sum of its proper divisors (2561073327996).

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

1241401233540 is a wasteful number, since it uses less digits than its factorization.

1241401233540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20738 (or 20736 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1241401233540 its reverse (453321041421), we get a palindrome (1694722274961).

The spelling of 1241401233540 in words is "one trillion, two hundred forty-one billion, four hundred one million, two hundred thirty-three thousand, five hundred forty".