67073340440 has 32 divisors (see below), whose sum is σ = 152380219680. Its totient is φ = 26568855552.

The previous prime is 67073340419. The next prime is 67073340463. The reversal of 67073340440 is 4404337076.

It is a junction number, because it is equal to n+sod(n) for n = 67073340394 and 67073340403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8135849 + ... + 8144088.

It is an arithmetic number, because the mean of its divisors is an integer number (4761881865).

Almost surely, 2^67073340440 is an apocalyptic number.

It is an amenable number.

67073340440 is an abundant number, since it is smaller than the sum of its proper divisors (85306879240).

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

67073340440 is a wasteful number, since it uses less digits than its factorization.

67073340440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16280051 (or 16280047 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 38.

The spelling of 67073340440 in words is "sixty-seven billion, seventy-three million, three hundred forty thousand, four hundred forty".