1243463444496 has 1280 divisors, whose sum is σ = 4679309393920. Its totient is φ = 307436912640.

The previous prime is 1243463444423. The next prime is 1243463444501. The reversal of 1243463444496 is 6944443643421.

1243463444496 is a `hidden beast` number, since 1 + 2 + 43 + 46 + 34 + 44 + 496 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 7920149250 + ... + 7920149406.

It is an arithmetic number, because the mean of its divisors is an integer number (3655710464).

Almost surely, 2^{1243463444496} is an apocalyptic number.

1243463444496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1243463444496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2339654696960).

1243463444496 is an abundant number, since it is smaller than the sum of its proper divisors (3435845949424).

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

1243463444496 is a wasteful number, since it uses less digits than its factorization.

1243463444496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 377 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 54.

The spelling of 1243463444496 in words is "one trillion, two hundred forty-three billion, four hundred sixty-three million, four hundred forty-four thousand, four hundred ninety-six".