9974778310440 has 320 divisors, whose sum is σ = 36100156593600. Its totient is φ = 2461041211392.

The previous prime is 9974778310363. The next prime is 9974778310513. The reversal of 9974778310440 is 440138774799.

9974778310440 is a `hidden beast` number, since 9 + 97 + 4 + 7 + 78 + 31 + 0 + 440 = 666.

It is a super-2 number, since 2×9974778310440² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1715007 + ... + 4784433.

It is an arithmetic number, because the mean of its divisors is an integer number (112812989355).

Almost surely, 2^{9974778310440} is an apocalyptic number.

9974778310440 is a gapful number since it is divisible by the number (90) 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 9974778310440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18050078296800).

9974778310440 is an abundant number, since it is smaller than the sum of its proper divisors (26125378283160).

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

9974778310440 is a wasteful number, since it uses less digits than its factorization.

9974778310440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069526 (or 3069513 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 9974778310440 in words is "nine trillion, nine hundred seventy-four billion, seven hundred seventy-eight million, three hundred ten thousand, four hundred forty".