3040442040 has 64 divisors (see below), whose sum is σ = 9151148160. Its totient is φ = 808133760.

The previous prime is 3040442029. The next prime is 3040442047. The reversal of 3040442040 is 402440403.

It is a junction number, because it is equal to n+sod(n) for n = 3040441998 and 3040442016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040442047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4426 + ... + 78105.

It is an arithmetic number, because the mean of its divisors is an integer number (142986690).

Almost surely, 2^3040442040 is an apocalyptic number.

3040442040 is a gapful number since it is divisible by the number (30) 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 3040442040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4575574080).

3040442040 is an abundant number, since it is smaller than the sum of its proper divisors (6110706120).

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

3040442040 is a wasteful number, since it uses less digits than its factorization.

3040442040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82852 (or 82848 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 3040442040 is about 55140.2034816703. The cubic root of 3040442040 is about 1448.7014994274.

Adding to 3040442040 its reverse (402440403), we get a palindrome (3442882443).

The spelling of 3040442040 in words is "three billion, forty million, four hundred forty-two thousand, forty".