673333403340 has 96 divisors (see below), whose sum is σ = 2031785360640. Its totient is φ = 165627184896.

The previous prime is 673333403329. The next prime is 673333403341. The reversal of 673333403340 is 43304333376.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (673333403341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810591 + ... + 1415529.

It is an arithmetic number, because the mean of its divisors is an integer number (21164430840).

Almost surely, 2^673333403340 is an apocalyptic number.

673333403340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673333403340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015892680320).

673333403340 is an abundant number, since it is smaller than the sum of its proper divisors (1358451957300).

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

673333403340 is a wasteful number, since it uses less digits than its factorization.

673333403340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606391 (or 606389 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 39.

The spelling of 673333403340 in words is "six hundred seventy-three billion, three hundred thirty-three million, four hundred three thousand, three hundred forty".