1466838842812 has 48 divisors (see below), whose sum is σ = 2994730200000. Its totient is φ = 628397095872.

The previous prime is 1466838842797. The next prime is 1466838842891. The reversal of 1466838842812 is 2182488386641.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3287514 + ... + 3706942.

It is an arithmetic number, because the mean of its divisors is an integer number (62390212500).

Almost surely, 2^{1466838842812} 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 1466838842812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497365100000).

1466838842812 is an abundant number, since it is smaller than the sum of its proper divisors (1527891357188).

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

1466838842812 is a wasteful number, since it uses less digits than its factorization.

1466838842812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422003 (or 421987 counting only the distinct ones).

The product of its digits is 28311552, while the sum is 61.

The spelling of 1466838842812 in words is "one trillion, four hundred sixty-six billion, eight hundred thirty-eight million, eight hundred forty-two thousand, eight hundred twelve".