4999707905920 has 256 divisors, whose sum is σ = 14775522854400. Its totient is φ = 1575350378496.

The previous prime is 4999707905917. The next prime is 4999707905989. The reversal of 4999707905920 is 295097079994.

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a self number, because there is not a number n which added to its sum of digits gives 4999707905920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13031391 + ... + 13409569.

It is an arithmetic number, because the mean of its divisors is an integer number (57716886150).

Almost surely, 2^{4999707905920} is an apocalyptic number.

4999707905920 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 4999707905920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7387761427200).

4999707905920 is an abundant number, since it is smaller than the sum of its proper divisors (9775814948480).

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

4999707905920 is a wasteful number, since it uses less digits than its factorization.

4999707905920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378445 (or 378433 counting only the distinct ones).

The product of its (nonzero) digits is 115736040, while the sum is 70.

The spelling of 4999707905920 in words is "four trillion, nine hundred ninety-nine billion, seven hundred seven million, nine hundred five thousand, nine hundred twenty".