2520605040 has 80 divisors (see below), whose sum is σ = 8065959936. Its totient is φ = 650476800.

The previous prime is 2520605039. The next prime is 2520605041. The reversal of 2520605040 is 405060252.

It is an interprime number because it is at equal distance from previous prime (2520605039) and next prime (2520605041).

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

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 2520605040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520605041) 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, 161956 + ... + 176835.

Almost surely, 2^2520605040 is an apocalyptic number.

2520605040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520605040 is an abundant number, since it is smaller than the sum of its proper divisors (5545354896).

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

2520605040 is a wasteful number, since it uses less digits than its factorization.

2520605040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338838 (or 338832 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2520605040 is about 50205.6275730122. The cubic root of 2520605040 is about 1360.9273231501.

Adding to 2520605040 its reverse (405060252), we get a palindrome (2925665292).

The spelling of 2520605040 in words is "two billion, five hundred twenty million, six hundred five thousand, forty".