3230540040 has 128 divisors (see below), whose sum is σ = 11928188160. Its totient is φ = 681606144.

The previous prime is 3230540023. The next prime is 3230540051. The reversal of 3230540040 is 400450323.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3230539989 and 3230540016.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136999 + ... + 158838.

It is an arithmetic number, because the mean of its divisors is an integer number (93188970).

Almost surely, 2^3230540040 is an apocalyptic number.

3230540040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3230540040 is an abundant number, since it is smaller than the sum of its proper divisors (8697648120).

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

3230540040 is a wasteful number, since it uses less digits than its factorization.

3230540040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295871 (or 295867 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 3230540040 is about 56837.8398604310. The cubic root of 3230540040 is about 1478.2857007348.

Adding to 3230540040 its reverse (400450323), we get a palindrome (3630990363).

The spelling of 3230540040 in words is "three billion, two hundred thirty million, five hundred forty thousand, forty".