3251440401 has 32 divisors (see below), whose sum is σ = 4859301888. Its totient is φ = 1916941440.

The previous prime is 3251440393. The next prime is 3251440421. The reversal of 3251440401 is 1040441523.

It is not a de Polignac number, because 3251440401 - 2³ = 3251440393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3251440421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252741 + ... + 265293.

It is an arithmetic number, because the mean of its divisors is an integer number (151853184).

Almost surely, 2^3251440401 is an apocalyptic number.

It is an amenable number.

3251440401 is a deficient number, since it is larger than the sum of its proper divisors (1607861487).

3251440401 is a wasteful number, since it uses less digits than its factorization.

3251440401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12781.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3251440401 is about 57021.4030079934. The cubic root of 3251440401 is about 1481.4668317447.

Adding to 3251440401 its reverse (1040441523), we get a palindrome (4291881924).

The spelling of 3251440401 in words is "three billion, two hundred fifty-one million, four hundred forty thousand, four hundred one".