2620412520 has 128 divisors (see below), whose sum is σ = 8807840640. Its totient is φ = 618071040.

The previous prime is 2620412503. The next prime is 2620412533. The reversal of 2620412520 is 252140262.

It is a happy number.

It is a super-3 number, since 3×2620412520³ (a number of 29 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22014 + ... + 75666.

It is an arithmetic number, because the mean of its divisors is an integer number (68811255).

Almost surely, 2^2620412520 is an apocalyptic number.

2620412520 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 2620412520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4403920320).

2620412520 is an abundant number, since it is smaller than the sum of its proper divisors (6187428120).

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

2620412520 is a wasteful number, since it uses less digits than its factorization.

2620412520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53715 (or 53711 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2620412520 is about 51189.9650322209. The cubic root of 2620412520 is about 1378.6580317122.

Adding to 2620412520 its reverse (252140262), we get a palindrome (2872552782).

The spelling of 2620412520 in words is "two billion, six hundred twenty million, four hundred twelve thousand, five hundred twenty".