67440375132 has 96 divisors (see below), whose sum is σ = 184139397120. Its totient is φ = 19024554240.

The previous prime is 67440375109. The next prime is 67440375143. The reversal of 67440375132 is 23157304476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275103 + ... + 458870.

It is an arithmetic number, because the mean of its divisors is an integer number (1918118720).

Almost surely, 2^67440375132 is an apocalyptic number.

67440375132 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

67440375132 is an abundant number, since it is smaller than the sum of its proper divisors (116699021988).

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

67440375132 is a wasteful number, since it uses less digits than its factorization.

67440375132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734043 (or 734041 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 67440375132 in words is "sixty-seven billion, four hundred forty million, three hundred seventy-five thousand, one hundred thirty-two".