1240041552456 has 64 divisors (see below), whose sum is σ = 3543098388480. Its totient is φ = 354285334080.

The previous prime is 1240041552437. The next prime is 1240041552467. The reversal of 1240041552456 is 6542551400421.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5474491 + ... + 5696501.

It is an arithmetic number, because the mean of its divisors is an integer number (55360912320).

Almost surely, 2^{1240041552456} is an apocalyptic number.

It is an amenable number.

1240041552456 is an abundant number, since it is smaller than the sum of its proper divisors (2303056836024).

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

1240041552456 is a wasteful number, since it uses less digits than its factorization.

1240041552456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255274 (or 255270 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 1240041552456 its reverse (6542551400421), we get a palindrome (7782592952877).

The spelling of 1240041552456 in words is "one trillion, two hundred forty billion, forty-one million, five hundred fifty-two thousand, four hundred fifty-six".