3153323440 has 80 divisors (see below), whose sum is σ = 7474521600. Its totient is φ = 1236830976.

The previous prime is 3153323423. The next prime is 3153323479. The reversal of 3153323440 is 443233513.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 3153323399 and 3153323408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3034441 + ... + 3035479.

It is an arithmetic number, because the mean of its divisors is an integer number (93431520).

Almost surely, 2^3153323440 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 3153323440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3737260800).

3153323440 is an abundant number, since it is smaller than the sum of its proper divisors (4321198160).

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

3153323440 is a wasteful number, since it uses less digits than its factorization.

3153323440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754 (or 1748 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 3153323440 is about 56154.4605530140. The cubic root of 3153323440 is about 1466.4125643352.

Adding to 3153323440 its reverse (443233513), we get a palindrome (3596556953).

The spelling of 3153323440 in words is "three billion, one hundred fifty-three million, three hundred twenty-three thousand, four hundred forty".