50943857440 has 288 divisors, whose sum is σ = 145252445184. Its totient is φ = 16817633280.

The previous prime is 50943857401. The next prime is 50943857491. The reversal of 50943857440 is 4475834905.

It is a happy number.

It is a super-2 number, since 2×50943857440² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

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 47 ways as a sum of consecutive naturals, for example, 63919122 + ... + 63919918.

It is an arithmetic number, because the mean of its divisors is an integer number (504348768).

Almost surely, 2^50943857440 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 50943857440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72626222592).

50943857440 is an abundant number, since it is smaller than the sum of its proper divisors (94308587744).

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

50943857440 is a wasteful number, since it uses less digits than its factorization.

50943857440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 50943857440 in words is "fifty billion, nine hundred forty-three million, eight hundred fifty-seven thousand, four hundred forty".