1043406642336 has 192 divisors, whose sum is σ = 2874452676480. Its totient is φ = 331029135360.

The previous prime is 1043406642259. The next prime is 1043406642361. The reversal of 1043406642336 is 6332466043401.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161290110 + ... + 161296578.

It is an arithmetic number, because the mean of its divisors is an integer number (14971107690).

Almost surely, 2^{1043406642336} is an apocalyptic number.

1043406642336 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 1043406642336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1437226338240).

1043406642336 is an abundant number, since it is smaller than the sum of its proper divisors (1831046034144).

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

1043406642336 is a wasteful number, since it uses less digits than its factorization.

1043406642336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519 (or 7511 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 42.

The spelling of 1043406642336 in words is "one trillion, forty-three billion, four hundred six million, six hundred forty-two thousand, three hundred thirty-six".