250401211630 has 16 divisors (see below), whose sum is σ = 455368803120. Its totient is φ = 99127901952.

The previous prime is 250401211601. The next prime is 250401211649. The reversal of 250401211630 is 36112104052.

It is a happy number.

250401211630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 250401211595 and 250401211604.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 129071820 + ... + 129073759.

It is an arithmetic number, because the mean of its divisors is an integer number (28460550195).

Almost surely, 2^250401211630 is an apocalyptic number.

250401211630 is a deficient number, since it is larger than the sum of its proper divisors (204967591490).

250401211630 is a wasteful number, since it uses less digits than its factorization.

250401211630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258145683.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 250401211630 its reverse (36112104052), we get a palindrome (286513315682).

The spelling of 250401211630 in words is "two hundred fifty billion, four hundred one million, two hundred eleven thousand, six hundred thirty".