250401211604 has 12 divisors (see below), whose sum is σ = 438270924084. Its totient is φ = 125180947584.

The previous prime is 250401211601. The next prime is 250401211649. The reversal of 250401211604 is 406112104052.

It can be written as a sum of positive squares in 2 ways, for example, as 173932370704 + 76468840900 = 417052^2 + 276530^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250401211601) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4885877 + ... + 4936860.

It is an arithmetic number, because the mean of its divisors is an integer number (36522577007).

Almost surely, 2^250401211604 is an apocalyptic number.

It is an amenable number.

250401211604 is a deficient number, since it is larger than the sum of its proper divisors (187869712480).

250401211604 is a wasteful number, since it uses less digits than its factorization.

250401211604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9829114 (or 9829112 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 250401211604 its reverse (406112104052), we get a palindrome (656513315656).

The spelling of 250401211604 in words is "two hundred fifty billion, four hundred one million, two hundred eleven thousand, six hundred four".