874004835840 has 640 divisors, whose sum is σ = 2952712300032. Its totient is φ = 220293365760.

The previous prime is 874004835827. The next prime is 874004835841. The reversal of 874004835840 is 48538400478.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874004835841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1972922659 + ... + 1972923101.

Almost surely, 2^874004835840 is an apocalyptic number.

874004835840 is a gapful number since it is divisible by the number (80) 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 874004835840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1476356150016).

874004835840 is an abundant number, since it is smaller than the sum of its proper divisors (2078707464192).

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

874004835840 is a wasteful number, since it uses less digits than its factorization.

874004835840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 51.

The spelling of 874004835840 in words is "eight hundred seventy-four billion, four million, eight hundred thirty-five thousand, eight hundred forty".