67045344480 has 72 divisors (see below), whose sum is σ = 228792242952. Its totient is φ = 17878758144.

The previous prime is 67045344449. The next prime is 67045344491. The reversal of 67045344480 is 8444354076.

67045344480 is a `hidden beast` number, since 6 + 70 + 4 + 534 + 4 + 48 + 0 = 666.

67045344480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23278194 + ... + 23281073.

It is an arithmetic number, because the mean of its divisors is an integer number (3177670041).

Almost surely, 2^67045344480 is an apocalyptic number.

67045344480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67045344480 is an abundant number, since it is smaller than the sum of its proper divisors (161746898472).

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

67045344480 is a wasteful number, since it uses less digits than its factorization.

67045344480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46559288 (or 46559277 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 67045344480 in words is "sixty-seven billion, forty-five million, three hundred forty-four thousand, four hundred eighty".