67014144438 has 16 divisors (see below), whose sum is σ = 135214381296. Its totient is φ = 22140366080.

The previous prime is 67014144397. The next prime is 67014144469. The reversal of 67014144438 is 83444141076.

It is a self number, because there is not a number n which added to its sum of digits gives 67014144438.

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, 49419783 + ... + 49421138.

It is an arithmetic number, because the mean of its divisors is an integer number (8450898831).

Almost surely, 2^67014144438 is an apocalyptic number.

67014144438 is an abundant number, since it is smaller than the sum of its proper divisors (68200236858).

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

67014144438 is a wasteful number, since it uses less digits than its factorization.

67014144438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98841039.

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 67014144438 in words is "sixty-seven billion, fourteen million, one hundred forty-four thousand, four hundred thirty-eight".