1805936994960 has 120 divisors (see below), whose sum is σ = 6512429981376. Its totient is φ = 412785596160.

The previous prime is 1805936994923. The next prime is 1805936994971. The reversal of 1805936994960 is 694996395081.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1805936994960² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76771276 + ... + 76794795.

Almost surely, 2^{1805936994960} is an apocalyptic number.

1805936994960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1805936994960 is an abundant number, since it is smaller than the sum of its proper divisors (4706492986416).

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

1805936994960 is a wasteful number, since it uses less digits than its factorization.

1805936994960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153566101 (or 153566088 counting only the distinct ones).

The product of its (nonzero) digits is 113374080, while the sum is 69.

The spelling of 1805936994960 in words is "one trillion, eight hundred five billion, nine hundred thirty-six million, nine hundred ninety-four thousand, nine hundred sixty".