67454442220 has 48 divisors (see below), whose sum is σ = 154865991168. Its totient is φ = 24475872960.

The previous prime is 67454442193. The next prime is 67454442227. The reversal of 67454442220 is 2224445476.

It is a super-3 number, since 3×67454442220³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (67454442227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229254 + ... + 432973.

It is an arithmetic number, because the mean of its divisors is an integer number (3226374816).

Almost surely, 2^67454442220 is an apocalyptic number.

It is an amenable number.

67454442220 is an abundant number, since it is smaller than the sum of its proper divisors (87411548948).

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

67454442220 is a wasteful number, since it uses less digits than its factorization.

67454442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662710 (or 662708 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 40.

Adding to 67454442220 its reverse (2224445476), we get a palindrome (69678887696).

The spelling of 67454442220 in words is "sixty-seven billion, four hundred fifty-four million, four hundred forty-two thousand, two hundred twenty".