50035256640 has 336 divisors, whose sum is σ = 181541318400. Its totient is φ = 12613791744.

The previous prime is 50035256629. The next prime is 50035256651. The reversal of 50035256640 is 4665253005.

It is a happy number.

50035256640 is a `hidden beast` number, since 5 + 0 + 0 + 3 + 5 + 2 + 5 + 6 + 640 = 666.

It is an interprime number because it is at equal distance from previous prime (50035256629) and next prime (50035256651).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 50035256595 and 50035256604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45362329 + ... + 45363431.

Almost surely, 2^50035256640 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 50035256640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90770659200).

50035256640 is an abundant number, since it is smaller than the sum of its proper divisors (131506061760).

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

50035256640 is a wasteful number, since it uses less digits than its factorization.

50035256640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974 (or 1961 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 50035256640 in words is "fifty billion, thirty-five million, two hundred fifty-six thousand, six hundred forty".