674196203520 has 960 divisors, whose sum is σ = 2783651270400. Its totient is φ = 152882380800.

The previous prime is 674196203491. The next prime is 674196203557. The reversal of 674196203520 is 25302691476.

674196203520 is a `hidden beast` number, since 6 + 7 + 4 + 19 + 620 + 3 + 5 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 79 ways as a sum of consecutive naturals, for example, 876717696 + ... + 876718464.

It is an arithmetic number, because the mean of its divisors is an integer number (2899636740).

Almost surely, 2^674196203520 is an apocalyptic number.

674196203520 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 674196203520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1391825635200).

674196203520 is an abundant number, since it is smaller than the sum of its proper divisors (2109455066880).

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

674196203520 is a wasteful number, since it uses less digits than its factorization.

674196203520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

Adding to 674196203520 its reverse (25302691476), we get a palindrome (699498894996).

The spelling of 674196203520 in words is "six hundred seventy-four billion, one hundred ninety-six million, two hundred three thousand, five hundred twenty".