6446992246048 has 72 divisors (see below), whose sum is σ = 13152760746300. Its totient is φ = 3110568768000.

The previous prime is 6446992245899. The next prime is 6446992246069. The reversal of 6446992246048 is 8406422996446.

It can be written as a sum of positive squares in 2 ways, for example, as 6297028134544 + 149964111504 = 2509388^2 + 387252^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10432098 + ... + 11032798.

Almost surely, 2^{6446992246048} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6446992246048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6576380373150).

6446992246048 is an abundant number, since it is smaller than the sum of its proper divisors (6705768500252).

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

6446992246048 is a wasteful number, since it uses less digits than its factorization.

6446992246048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601122 (or 601083 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 64.

The spelling of 6446992246048 in words is "six trillion, four hundred forty-six billion, nine hundred ninety-two million, two hundred forty-six thousand, forty-eight".