3402801520 has 20 divisors (see below), whose sum is σ = 7911513720. Its totient is φ = 1361120576.

The previous prime is 3402801499. The next prime is 3402801527. The reversal of 3402801520 is 251082043.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402801527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21267430 + ... + 21267589.

It is an arithmetic number, because the mean of its divisors is an integer number (395575686).

Almost surely, 2^3402801520 is an apocalyptic number.

It is an amenable number.

3402801520 is an abundant number, since it is smaller than the sum of its proper divisors (4508712200).

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

3402801520 is a wasteful number, since it uses less digits than its factorization.

3402801520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42535032 (or 42535026 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 3402801520 is about 58333.5368377403. The cubic root of 3402801520 is about 1504.1074858107.

Adding to 3402801520 its reverse (251082043), we get a palindrome (3653883563).

The spelling of 3402801520 in words is "three billion, four hundred two million, eight hundred one thousand, five hundred twenty".