50398986240 has 256 divisors, whose sum is σ = 179209389600. Its totient is φ = 13438550016.

The previous prime is 50398986227. The next prime is 50398986277. The reversal of 50398986240 is 4268989305.

50398986240 is a `hidden beast` number, since 5 + 0 + 3 + 9 + 8 + 9 + 8 + 624 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (256).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4417984 + ... + 4429376.

Almost surely, 2^50398986240 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 50398986240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89604694800).

50398986240 is an abundant number, since it is smaller than the sum of its proper divisors (128810403360).

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

50398986240 is an equidigital number, since it uses as much as digits as its factorization.

50398986240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11437 (or 11403 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 50398986240 in words is "fifty billion, three hundred ninety-eight million, nine hundred eighty-six thousand, two hundred forty".