49919994306 has 320 divisors, whose sum is σ = 145385856000. Its totient is φ = 12706388352.

The previous prime is 49919994227. The next prime is 49919994323. The reversal of 49919994306 is 60349991994.

49919994306 is a `hidden beast` number, since 4 + 9 + 9 + 199 + 9 + 430 + 6 = 666.

It is a super-2 number, since 2×49919994306² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 20947191 + ... + 20949573.

It is an arithmetic number, because the mean of its divisors is an integer number (454330800).

Almost surely, 2^49919994306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49919994306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72692928000).

49919994306 is an abundant number, since it is smaller than the sum of its proper divisors (95465861694).

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

49919994306 is a wasteful number, since it uses less digits than its factorization.

49919994306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460 (or 2437 counting only the distinct ones).

The product of its (nonzero) digits is 17006112, while the sum is 63.

It can be divided in two parts, 499199 and 94306, that added together give a triangular number (593505 = T₁₀₈₉).

The spelling of 49919994306 in words is "forty-nine billion, nine hundred nineteen million, nine hundred ninety-four thousand, three hundred six".