4994507746440 has 384 divisors, whose sum is σ = 18128026800000. Its totient is φ = 1185154965504.

The previous prime is 4994507746433. The next prime is 4994507746507. The reversal of 4994507746440 is 446477054994.

4994507746440 is a `hidden beast` number, since 4 + 99 + 45 + 0 + 7 + 7 + 464 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 57980682 + ... + 58066758.

It is an arithmetic number, because the mean of its divisors is an integer number (47208403125).

Almost surely, 2^{4994507746440} is an apocalyptic number.

4994507746440 is a gapful number since it is divisible by the number (40) 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 4994507746440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9064013400000).

4994507746440 is an abundant number, since it is smaller than the sum of its proper divisors (13133519053560).

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

4994507746440 is a wasteful number, since it uses less digits than its factorization.

4994507746440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86629 (or 86622 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 63.

The spelling of 4994507746440 in words is "four trillion, nine hundred ninety-four billion, five hundred seven million, seven hundred forty-six thousand, four hundred forty".