3212040040 has 128 divisors (see below), whose sum is σ = 8119077120. Its totient is φ = 1133516800.

The previous prime is 3212040031. The next prime is 3212040049. The reversal of 3212040040 is 400402123.

It is an interprime number because it is at equal distance from previous prime (3212040031) and next prime (3212040049).

It is a junction number, because it is equal to n+sod(n) for n = 3212039996 and 3212040023.

It is not an unprimeable number, because it can be changed into a prime (3212040049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4744182 + ... + 4744858.

It is an arithmetic number, because the mean of its divisors is an integer number (63430290).

Almost surely, 2^3212040040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3212040040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4059538560).

3212040040 is an abundant number, since it is smaller than the sum of its proper divisors (4907037080).

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

3212040040 is a wasteful number, since it uses less digits than its factorization.

3212040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3212040040 is about 56674.8625053471. The cubic root of 3212040040 is about 1475.4584483202.

Adding to 3212040040 its reverse (400402123), we get a palindrome (3612442163).

The spelling of 3212040040 in words is "three billion, two hundred twelve million, forty thousand, forty".