1242619486464 has 72 divisors (see below), whose sum is σ = 3369579720192. Its totient is φ = 406391265280.

The previous prime is 1242619486429. The next prime is 1242619486481. The reversal of 1242619486464 is 4646849162421.

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, 15223392 + ... + 15304799.

It is an arithmetic number, because the mean of its divisors is an integer number (46799718336).

Almost surely, 2^{1242619486464} is an apocalyptic number.

It is an amenable number.

1242619486464 is an abundant number, since it is smaller than the sum of its proper divisors (2126960233728).

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

1242619486464 is an equidigital number, since it uses as much as digits as its factorization.

1242619486464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30528263 (or 30528249 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 57.

The spelling of 1242619486464 in words is "one trillion, two hundred forty-two billion, six hundred nineteen million, four hundred eighty-six thousand, four hundred sixty-four".