1240440656104 has 32 divisors (see below), whose sum is σ = 2504856503520. Its totient is φ = 572483514816.

The previous prime is 1240440655991. The next prime is 1240440656149. The reversal of 1240440656104 is 4016560440421.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 1968787 + ... + 2521309.

It is an arithmetic number, because the mean of its divisors is an integer number (78276765735).

Almost surely, 2^{1240440656104} is an apocalyptic number.

It is an amenable number.

1240440656104 is an abundant number, since it is smaller than the sum of its proper divisors (1264415847416).

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

1240440656104 is a wasteful number, since it uses less digits than its factorization.

1240440656104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574129 (or 574125 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 1240440656104 in words is "one trillion, two hundred forty billion, four hundred forty million, six hundred fifty-six thousand, one hundred four".