2515403140 has 24 divisors (see below), whose sum is σ = 5290588800. Its totient is φ = 1004591328.

The previous prime is 2515403083. The next prime is 2515403197. The reversal of 2515403140 is 413045152.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2515403083) and next prime (2515403197).

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 7 ways as a sum of consecutive naturals, for example, 84940 + ... + 110659.

It is an arithmetic number, because the mean of its divisors is an integer number (220441200).

Almost surely, 2^2515403140 is an apocalyptic number.

2515403140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2515403140 is an abundant number, since it is smaller than the sum of its proper divisors (2775185660).

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

2515403140 is a wasteful number, since it uses less digits than its factorization.

2515403140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196251 (or 196249 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2515403140 is about 50153.7948713754. The cubic root of 2515403140 is about 1359.9904735492.

Adding to 2515403140 its reverse (413045152), we get a palindrome (2928448292).

The spelling of 2515403140 in words is "two billion, five hundred fifteen million, four hundred three thousand, one hundred forty".