3240400053 has 16 divisors (see below), whose sum is σ = 4744530432. Its totient is φ = 1950870000.

The previous prime is 3240400013. The next prime is 3240400061. The reversal of 3240400053 is 3500040423.

It is a happy number.

It is not a de Polignac number, because 3240400053 - 2⁶ = 3240399989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240400013) 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 15 ways as a sum of consecutive naturals, for example, 320163 + ... + 330128.

It is an arithmetic number, because the mean of its divisors is an integer number (296533152).

Almost surely, 2^3240400053 is an apocalyptic number.

3240400053 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3240400053 is a deficient number, since it is larger than the sum of its proper divisors (1504130379).

3240400053 is a wasteful number, since it uses less digits than its factorization.

3240400053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650456.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 3240400053 is about 56924.5118819652. The cubic root of 3240400053 is about 1479.7881442856.

Adding to 3240400053 its reverse (3500040423), we get a palindrome (6740440476).

The spelling of 3240400053 in words is "three billion, two hundred forty million, four hundred thousand, fifty-three".