3308400240 has 40 divisors (see below), whose sum is σ = 10256041488. Its totient is φ = 882240000.

The previous prime is 3308400239. The next prime is 3308400283. The reversal of 3308400240 is 420048033.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3308400240.

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, 6892261 + ... + 6892740.

Almost surely, 2^3308400240 is an apocalyptic number.

3308400240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3308400240 is an abundant number, since it is smaller than the sum of its proper divisors (6947641248).

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

3308400240 is a wasteful number, since it uses less digits than its factorization.

3308400240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13785017 (or 13785011 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 3308400240 is about 57518.6947000712. The cubic root of 3308400240 is about 1490.0677476215.

Adding to 3308400240 its reverse (420048033), we get a palindrome (3728448273).

The spelling of 3308400240 in words is "three billion, three hundred eight million, four hundred thousand, two hundred forty".