2094545747840 has 128 divisors (see below), whose sum is σ = 6162798237120. Its totient is φ = 662889185280.

The previous prime is 2094545747839. The next prime is 2094545747873. The reversal of 2094545747840 is 487475454902.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 2094545747840.

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, 17923781 + ... + 18040260.

Almost surely, 2^{2094545747840} is an apocalyptic number.

2094545747840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2094545747840 is an abundant number, since it is smaller than the sum of its proper divisors (4068252489280).

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

2094545747840 is a wasteful number, since it uses less digits than its factorization.

2094545747840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35964080 (or 35964068 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 59.

The spelling of 2094545747840 in words is "two trillion, ninety-four billion, five hundred forty-five million, seven hundred forty-seven thousand, eight hundred forty".