50404145250 has 128 divisors (see below), whose sum is σ = 133388236800. Its totient is φ = 12641572800.

The previous prime is 50404145249. The next prime is 50404145261. The reversal of 50404145250 is 5254140405.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 63 ways as a sum of consecutive naturals, for example, 1968027 + ... + 1993473.

It is an arithmetic number, because the mean of its divisors is an integer number (1042095600).

Almost surely, 2^50404145250 is an apocalyptic number.

50404145250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50404145250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66694118400).

50404145250 is an abundant number, since it is smaller than the sum of its proper divisors (82984091550).

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

50404145250 is a wasteful number, since it uses less digits than its factorization.

50404145250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25625 (or 25615 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 50404145250 its reverse (5254140405), we get a palindrome (55658285655).

The spelling of 50404145250 in words is "fifty billion, four hundred four million, one hundred forty-five thousand, two hundred fifty".