3240220340 has 48 divisors (see below), whose sum is σ = 7883081472. Its totient is φ = 1095710976.

The previous prime is 3240220327. The next prime is 3240220367. The reversal of 3240220340 is 430220423.

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 15 ways as a sum of consecutive naturals, for example, 148304 + ... + 168743.

It is an arithmetic number, because the mean of its divisors is an integer number (164230864).

Almost surely, 2^3240220340 is an apocalyptic number.

It is an amenable number.

3240220340 is an abundant number, since it is smaller than the sum of its proper divisors (4642861132).

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

3240220340 is a wasteful number, since it uses less digits than its factorization.

3240220340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317136 (or 317134 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 3240220340 is about 56922.9333397358. The cubic root of 3240220340 is about 1479.7607873668.

Adding to 3240220340 its reverse (430220423), we get a palindrome (3670440763).

The spelling of 3240220340 in words is "three billion, two hundred forty million, two hundred twenty thousand, three hundred forty".