1946354855000 has 40 divisors (see below), whose sum is σ = 4560309436980. Its totient is φ = 778541940000.

The previous prime is 1946354854987. The next prime is 1946354855041. The reversal of 1946354855000 is 5584536491.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 1946354855000.

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 9 ways as a sum of consecutive naturals, for example, 194630486 + ... + 194640485.

Almost surely, 2^{1946354855000} is an apocalyptic number.

1946354855000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1946354855000 is an abundant number, since it is smaller than the sum of its proper divisors (2613954581980).

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

1946354855000 is an equidigital number, since it uses as much as digits as its factorization.

1946354855000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389270997 (or 389270978 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 1946354855000 in words is "one trillion, nine hundred forty-six billion, three hundred fifty-four million, eight hundred fifty-five thousand".