1242486464 has 28 divisors (see below), whose sum is σ = 2469834024. Its totient is φ = 620166144.

The previous prime is 1242486449. The next prime is 1242486493. The reversal of 1242486464 is 4646842421.

It is a super-2 number, since 2×1242486464² = 3087545226446446592, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 21032 + ... + 54104.

It is an arithmetic number, because the mean of its divisors is an integer number (88208358).

Almost surely, 2^1242486464 is an apocalyptic number.

It is an amenable number.

1242486464 is a deficient number, since it is larger than the sum of its proper divisors (1227347560).

1242486464 is an equidigital number, since it uses as much as digits as its factorization.

1242486464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33672 (or 33662 counting only the distinct ones).

The product of its digits is 294912, while the sum is 41.

The square root of 1242486464 is about 35248.9214586773. The cubic root of 1242486464 is about 1075.0546830665.

The spelling of 1242486464 in words is "one billion, two hundred forty-two million, four hundred eighty-six thousand, four hundred sixty-four".