9974644031520 has 288 divisors, whose sum is σ = 41189413120128. Its totient is φ = 2145805737984.

The previous prime is 9974644031479. The next prime is 9974644031531. The reversal of 9974644031520 is 251304464799.

9974644031520 is a `hidden beast` number, since 9 + 9 + 7 + 46 + 4 + 40 + 31 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28932994 + ... + 29275713.

It is an arithmetic number, because the mean of its divisors is an integer number (143018795556).

Almost surely, 2^{9974644031520} is an apocalyptic number.

9974644031520 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9974644031520 is an abundant number, since it is smaller than the sum of its proper divisors (31214769088608).

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

9974644031520 is a wasteful number, since it uses less digits than its factorization.

9974644031520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58208752 (or 58208741 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 9974644031520 in words is "nine trillion, nine hundred seventy-four billion, six hundred forty-four million, thirty-one thousand, five hundred twenty".