438674354028064 has 48 divisors (see below), whose sum is σ = 1076746141711296. Its totient is φ = 170912085984000.

The previous prime is 438674354028019. The next prime is 438674354028067. The reversal of 438674354028064 is 460820453476834.

It is a junction number, because it is equal to n+sod(n) for n = 438674354027987 and 438674354028005.

It is not an unprimeable number, because it can be changed into a prime (438674354028067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89016708987 + ... + 89016713914.

It is an arithmetic number, because the mean of its divisors is an integer number (22432211285652).

Almost surely, 2^{438674354028064} is an apocalyptic number.

438674354028064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

438674354028064 is an abundant number, since it is smaller than the sum of its proper divisors (638071787683232).

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

438674354028064 is a wasteful number, since it uses less digits than its factorization.

438674354028064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178033422929 (or 178033422921 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 64.

The spelling of 438674354028064 in words is "four hundred thirty-eight trillion, six hundred seventy-four billion, three hundred fifty-four million, twenty-eight thousand, sixty-four".