50021230400 has 84 divisors (see below), whose sum is σ = 125406032652. Its totient is φ = 19630940160.

The previous prime is 50021230393. The next prime is 50021230411. The reversal of 50021230400 is 403212005.

It can be written as a sum of positive squares in 6 ways, for example, as 6079009024 + 43942221376 = 77968^2 + 209624^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210137 + ... + 379736.

Almost surely, 2^50021230400 is an apocalyptic number.

50021230400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50021230400 is an abundant number, since it is smaller than the sum of its proper divisors (75384802252).

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

50021230400 is a wasteful number, since it uses less digits than its factorization.

50021230400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589948 (or 589933 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 50021230400 its reverse (403212005), we get a palindrome (50424442405).

The spelling of 50021230400 in words is "fifty billion, twenty-one million, two hundred thirty thousand, four hundred".