2625437620 has 48 divisors (see below), whose sum is σ = 5971951440. Its totient is φ = 963772416.

The previous prime is 2625437609. The next prime is 2625437623. The reversal of 2625437620 is 267345262.

It can be written as a sum of positive squares in 8 ways, for example, as 104976 + 2625332644 = 324^2 + 51238^2 .

It is a super-2 number, since 2×2625437620² = 13785845393022528800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2625437620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625437623) 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, 15796 + ... + 74164.

It is an arithmetic number, because the mean of its divisors is an integer number (124415655).

Almost surely, 2^2625437620 is an apocalyptic number.

2625437620 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 2625437620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2985975720).

2625437620 is an abundant number, since it is smaller than the sum of its proper divisors (3346513820).

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

2625437620 is a wasteful number, since it uses less digits than its factorization.

2625437620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58564 (or 58562 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 2625437620 is about 51239.0243857160. The cubic root of 2625437620 is about 1379.5387417341.

The spelling of 2625437620 in words is "two billion, six hundred twenty-five million, four hundred thirty-seven thousand, six hundred twenty".