2320040304 has 120 divisors (see below), whose sum is σ = 6763397472. Its totient is φ = 741726720.

The previous prime is 2320040299. The next prime is 2320040329. The reversal of 2320040304 is 4030400232.

2320040304 is a `hidden beast` number, since 2 + 320 + 0 + 40 + 304 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 375222 + ... + 381354.

Almost surely, 2^2320040304 is an apocalyptic number.

2320040304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2320040304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3381698736).

2320040304 is an abundant number, since it is smaller than the sum of its proper divisors (4443357168).

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

2320040304 is a wasteful number, since it uses less digits than its factorization.

2320040304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6255 (or 6246 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2320040304 is about 48166.7966964796. The cubic root of 2320040304 is about 1323.8288555507.

Adding to 2320040304 its reverse (4030400232), we get a palindrome (6350440536).

It can be divided in two parts, 23200 and 40304, that added together give a square (63504 = 252²).

The spelling of 2320040304 in words is "two billion, three hundred twenty million, forty thousand, three hundred four".