673407404340 has 48 divisors (see below), whose sum is σ = 2056953528000. Its totient is φ = 163250279680.

The previous prime is 673407404339. The next prime is 673407404363. The reversal of 673407404340 is 43404704376.

It is a junction number, because it is equal to n+sod(n) for n = 673407404292 and 673407404301.

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, 510156465 + ... + 510157784.

It is an arithmetic number, because the mean of its divisors is an integer number (42853198500).

Almost surely, 2^673407404340 is an apocalyptic number.

673407404340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

673407404340 is an abundant number, since it is smaller than the sum of its proper divisors (1383546123660).

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

673407404340 is a wasteful number, since it uses less digits than its factorization.

673407404340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020314272 (or 1020314270 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 42.

The spelling of 673407404340 in words is "six hundred seventy-three billion, four hundred seven million, four hundred four thousand, three hundred forty".