49645130850 has 576 divisors, whose sum is σ = 169249167360. Its totient is φ = 10572249600.

The previous prime is 49645130819. The next prime is 49645130867. The reversal of 49645130850 is 5803154694.

49645130850 is a `hidden beast` number, since 4 + 96 + 451 + 30 + 85 + 0 = 666.

It is a super-2 number, since 2×49645130850² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49645130796 and 49645130805.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 80201841 + ... + 80202459.

It is an arithmetic number, because the mean of its divisors is an integer number (293835360).

Almost surely, 2^49645130850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49645130850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84624583680).

49645130850 is an abundant number, since it is smaller than the sum of its proper divisors (119604036510).

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

49645130850 is a wasteful number, since it uses less digits than its factorization.

49645130850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 49645130850 in words is "forty-nine billion, six hundred forty-five million, one hundred thirty thousand, eight hundred fifty".