250400000001 has 4 divisors (see below), whose sum is σ = 333866666672. Its totient is φ = 166933333332.

The previous prime is 250399999921. The next prime is 250400000027. The reversal of 250400000001 is 100000004052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 250400000001 - 2³⁴ = 233220130817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250400000041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41733333331 + ... + 41733333336.

It is an arithmetic number, because the mean of its divisors is an integer number (83466666668).

Almost surely, 2^250400000001 is an apocalyptic number.

It is an amenable number.

250400000001 is a deficient number, since it is larger than the sum of its proper divisors (83466666671).

250400000001 is an equidigital number, since it uses as much as digits as its factorization.

250400000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83466666670.

The product of its (nonzero) digits is 40, while the sum is 12.

Adding to 250400000001 its reverse (100000004052), we get a palindrome (350400004053).

The spelling of 250400000001 in words is "two hundred fifty billion, four hundred million, one", and thus it is an aban number.