4467421488078 has 32 divisors (see below), whose sum is σ = 9930703161600. Its totient is φ = 1488675517848.

The previous prime is 4467421488077. The next prime is 4467421488241. The reversal of 4467421488078 is 8708841247644.

4467421488078 is a `hidden beast` number, since 4 + 4 + 67 + 4 + 21 + 488 + 0 + 78 = 666.

It is a super-2 number, since 2×4467421488078² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4467421488077) 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, 12741498 + ... + 13087421.

It is an arithmetic number, because the mean of its divisors is an integer number (310334473800).

Almost surely, 2^{4467421488078} is an apocalyptic number.

4467421488078 is an abundant number, since it is smaller than the sum of its proper divisors (5463281673522).

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

4467421488078 is a wasteful number, since it uses less digits than its factorization.

4467421488078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25832133 (or 25832127 counting only the distinct ones).

The product of its (nonzero) digits is 77070336, while the sum is 63.

The spelling of 4467421488078 in words is "four trillion, four hundred sixty-seven billion, four hundred twenty-one million, four hundred eighty-eight thousand, seventy-eight".