1801466685744 has 40 divisors (see below), whose sum is σ = 5076860661312. Its totient is φ = 545898995520.

The previous prime is 1801466685649. The next prime is 1801466685773. The reversal of 1801466685744 is 4475866641081.

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 7 ways as a sum of consecutive naturals, for example, 1705933834 + ... + 1705934889.

Almost surely, 2^{1801466685744} is an apocalyptic number.

It is an amenable number.

1801466685744 is an abundant number, since it is smaller than the sum of its proper divisors (3275393975568).

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

1801466685744 is a wasteful number, since it uses less digits than its factorization.

1801466685744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411868745 (or 3411868739 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 1801466685744 in words is "one trillion, eight hundred one billion, four hundred sixty-six million, six hundred eighty-five thousand, seven hundred forty-four".