3240120140 has 24 divisors (see below), whose sum is σ = 6813988272. Its totient is φ = 1294193600.

The previous prime is 3240120137. The next prime is 3240120181. The reversal of 3240120140 is 410210423.

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, 101534 + ... + 129573.

It is an arithmetic number, because the mean of its divisors is an integer number (283916178).

Almost surely, 2^3240120140 is an apocalyptic number.

It is an amenable number.

3240120140 is an abundant number, since it is smaller than the sum of its proper divisors (3573868132).

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

3240120140 is a wasteful number, since it uses less digits than its factorization.

3240120140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231817 (or 231815 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 3240120140 is about 56922.0531955761. The cubic root of 3240120140 is about 1479.7455339228.

Adding to 3240120140 its reverse (410210423), we get a palindrome (3650330563).

The spelling of 3240120140 in words is "three billion, two hundred forty million, one hundred twenty thousand, one hundred forty".