1242241500544 has 64 divisors (see below), whose sum is σ = 2765605686480. Its totient is φ = 550883123200.

The previous prime is 1242241500517. The next prime is 1242241500551. The reversal of 1242241500544 is 4450051422421.

It is a tau number, because it is divible by the number of its divisors (64).

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, 10701709 + ... + 10817164.

Almost surely, 2^{1242241500544} is an apocalyptic number.

It is an amenable number.

1242241500544 is an abundant number, since it is smaller than the sum of its proper divisors (1523364185936).

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

1242241500544 is a wasteful number, since it uses less digits than its factorization.

1242241500544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21518939 (or 21518927 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 1242241500544 its reverse (4450051422421), we get a palindrome (5692292922965).

The spelling of 1242241500544 in words is "one trillion, two hundred forty-two billion, two hundred forty-one million, five hundred thousand, five hundred forty-four".