674109048438 has 128 divisors (see below), whose sum is σ = 1807156224000. Its totient is φ = 181956650400.

The previous prime is 674109048409. The next prime is 674109048439. The reversal of 674109048438 is 834840901476.

674109048438 is a `hidden beast` number, since 6 + 7 + 41 + 0 + 90 + 484 + 38 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674109048439) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2447613 + ... + 2709063.

It is an arithmetic number, because the mean of its divisors is an integer number (14118408000).

Almost surely, 2^674109048438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674109048438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (903578112000).

674109048438 is an abundant number, since it is smaller than the sum of its proper divisors (1133047175562).

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

674109048438 is a wasteful number, since it uses less digits than its factorization.

674109048438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261847 (or 261841 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 674109048438 in words is "six hundred seventy-four billion, one hundred nine million, forty-eight thousand, four hundred thirty-eight".