3240121340 has 24 divisors (see below), whose sum is σ = 6905813712. Its totient is φ = 1276704000.

The previous prime is 3240121321. The next prime is 3240121393. The reversal of 3240121340 is 431210423.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207661 + ... + 1210340.

It is an arithmetic number, because the mean of its divisors is an integer number (287742238).

Almost surely, 2^3240121340 is an apocalyptic number.

It is an amenable number.

3240121340 is an abundant number, since it is smaller than the sum of its proper divisors (3665692372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3240121340 is a wasteful number, since it uses less digits than its factorization.

3240121340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418077 (or 2418075 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3240121340 is about 56922.0637363053. The cubic root of 3240121340 is about 1479.7457166006.

Adding to 3240121340 its reverse (431210423), we get a palindrome (3671331763).

The spelling of 3240121340 in words is "three billion, two hundred forty million, one hundred twenty-one thousand, three hundred forty".