2515052040 has 128 divisors (see below), whose sum is σ = 7978608000. Its totient is φ = 632475648.

The previous prime is 2515052039. The next prime is 2515052051. The reversal of 2515052040 is 402505152.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2515052040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 519712 + ... + 524528.

It is an arithmetic number, because the mean of its divisors is an integer number (62332875).

Almost surely, 2^2515052040 is an apocalyptic number.

2515052040 is a gapful number since it is divisible by the number (20) 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 2515052040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3989304000).

2515052040 is an abundant number, since it is smaller than the sum of its proper divisors (5463555960).

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

2515052040 is a wasteful number, since it uses less digits than its factorization.

2515052040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079 (or 5075 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 2515052040 is about 50150.2945155858. The cubic root of 2515052040 is about 1359.9271947762.

Adding to 2515052040 its reverse (402505152), we get a palindrome (2917557192).

The spelling of 2515052040 in words is "two billion, five hundred fifteen million, fifty-two thousand, forty".