3240120455 has 24 divisors (see below), whose sum is σ = 4602506496. Its totient is φ = 2175180480.

The previous prime is 3240120437. The next prime is 3240120463. The reversal of 3240120455 is 5540210423.

It is a happy number.

It is not a de Polignac number, because 3240120455 - 2⁸ = 3240120199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198119 + ... + 213848.

It is an arithmetic number, because the mean of its divisors is an integer number (191771104).

Almost surely, 2^3240120455 is an apocalyptic number.

3240120455 is a deficient number, since it is larger than the sum of its proper divisors (1362386041).

3240120455 is a wasteful number, since it uses less digits than its factorization.

3240120455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412007 (or 411996 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 3240120455 is about 56922.0559625177. The cubic root of 3240120455 is about 1479.7455818757.

Adding to 3240120455 its reverse (5540210423), we get a palindrome (8780330878).

The spelling of 3240120455 in words is "three billion, two hundred forty million, one hundred twenty thousand, four hundred fifty-five".