2613602420 has 72 divisors (see below), whose sum is σ = 6497031912. Its totient is φ = 877282560.

The previous prime is 2613602377. The next prime is 2613602471. The reversal of 2613602420 is 242063162.

It can be written as a sum of positive squares in 4 ways, for example, as 39866596 + 2573735824 = 6314^2 + 50732^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 2613602420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10079 + ... + 72998.

Almost surely, 2^2613602420 is an apocalyptic number.

2613602420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2613602420 is an abundant number, since it is smaller than the sum of its proper divisors (3883429492).

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

2613602420 is a wasteful number, since it uses less digits than its factorization.

2613602420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83121 (or 83108 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2613602420 is about 51123.4038381640. The cubic root of 2613602420 is about 1377.4626799419.

Adding to 2613602420 its reverse (242063162), we get a palindrome (2855665582).

The spelling of 2613602420 in words is "two billion, six hundred thirteen million, six hundred two thousand, four hundred twenty".