3040007520 has 192 divisors, whose sum is σ = 10901205504. Its totient is φ = 704901120.

The previous prime is 3040007513. The next prime is 3040007521. The reversal of 3040007520 is 257000403.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040007521) 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, 108924 + ... + 133956.

It is an arithmetic number, because the mean of its divisors is an integer number (56777112).

Almost surely, 2^3040007520 is an apocalyptic number.

3040007520 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 3040007520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5450602752).

3040007520 is an abundant number, since it is smaller than the sum of its proper divisors (7861197984).

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

3040007520 is a wasteful number, since it uses less digits than its factorization.

3040007520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25085 (or 25077 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 3040007520 is about 55136.2632030862. The cubic root of 3040007520 is about 1448.6324831728.

Adding to 3040007520 its reverse (257000403), we get a palindrome (3297007923).

The spelling of 3040007520 in words is "three billion, forty million, seven thousand, five hundred twenty".