1046021056000 has 160 divisors (see below), whose sum is σ = 2611718901792. Its totient is φ = 417863065600.

The previous prime is 1046021055983. The next prime is 1046021056013. The reversal of 1046021056000 is 6501206401.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50997747 + ... + 51018253.

Almost surely, 2^{1046021056000} is an apocalyptic number.

1046021056000 is a gapful number since it is divisible by the number (10) 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 1046021056000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1305859450896).

1046021056000 is an abundant number, since it is smaller than the sum of its proper divisors (1565697845792).

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

1046021056000 is an frugal number, since it uses more digits than its factorization.

1046021056000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21337 (or 21311 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 1046021056000 in words is "one trillion, forty-six billion, twenty-one million, fifty-six thousand".