673733740040 has 16 divisors (see below), whose sum is σ = 1515900915180. Its totient is φ = 269493496000.

The previous prime is 673733740003. The next prime is 673733740067. The reversal of 673733740040 is 40047337376.

It can be written as a sum of positive squares in 2 ways, for example, as 549831148036 + 123902592004 = 741506^2 + 351998^2 .

It is a junction number, because it is equal to n+sod(n) for n = 673733739973 and 673733740000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8421671711 + ... + 8421671790.

Almost surely, 2^673733740040 is an apocalyptic number.

It is an amenable number.

673733740040 is an abundant number, since it is smaller than the sum of its proper divisors (842167175140).

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

673733740040 is a wasteful number, since it uses less digits than its factorization.

673733740040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16843343512 (or 16843343508 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 44.

The spelling of 673733740040 in words is "six hundred seventy-three billion, seven hundred thirty-three million, seven hundred forty thousand, forty".