50445740499840 has 576 divisors, whose sum is σ = 202665837825360. Its totient is φ = 11528729985024.

The previous prime is 50445740499823. The next prime is 50445740499887. The reversal of 50445740499840 is 4899404754405.

50445740499840 is a `hidden beast` number, since 5 + 0 + 445 + 74 + 0 + 49 + 9 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×50445740499840² (a number of 28 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3730359319 + ... + 3730372841.

Almost surely, 2^{50445740499840} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50445740499840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101332918912680).

50445740499840 is an abundant number, since it is smaller than the sum of its proper divisors (152220097325520).

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

50445740499840 is a wasteful number, since it uses less digits than its factorization.

50445740499840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26779 (or 26757 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 63.

The spelling of 50445740499840 in words is "fifty trillion, four hundred forty-five billion, seven hundred forty million, four hundred ninety-nine thousand, eight hundred forty".