67454010540 has 216 divisors, whose sum is σ = 242508848400. Its totient is φ = 15127047936.

The previous prime is 67454010521. The next prime is 67454010553. The reversal of 67454010540 is 4501045476.

67454010540 is a `hidden beast` number, since 6 + 7 + 4 + 540 + 105 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 67454010495 and 67454010504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 395311 + ... + 539609.

It is an arithmetic number, because the mean of its divisors is an integer number (1122726150).

Almost surely, 2^67454010540 is an apocalyptic number.

67454010540 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 67454010540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121254424200).

67454010540 is an abundant number, since it is smaller than the sum of its proper divisors (175054837860).

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

67454010540 is a wasteful number, since it uses less digits than its factorization.

67454010540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144381 (or 144369 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 67454010540 in words is "sixty-seven billion, four hundred fifty-four million, ten thousand, five hundred forty".