2620634416 has 20 divisors (see below), whose sum is σ = 5252565600. Its totient is φ = 1265133632.

The previous prime is 2620634411. The next prime is 2620634417. The reversal of 2620634416 is 6144360262.

It is a super-2 number, since 2×2620634416² = 13735449484647322112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2620634411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2823496 + ... + 2824423.

It is an arithmetic number, because the mean of its divisors is an integer number (262628280).

Almost surely, 2^2620634416 is an apocalyptic number.

It is an amenable number.

2620634416 is an abundant number, since it is smaller than the sum of its proper divisors (2631931184).

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

2620634416 is a wasteful number, since it uses less digits than its factorization.

2620634416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5647956 (or 5647950 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 2620634416 is about 51192.1323642608. The cubic root of 2620634416 is about 1378.6969454412.

Adding to 2620634416 its reverse (6144360262), we get a palindrome (8764994678).

The spelling of 2620634416 in words is "two billion, six hundred twenty million, six hundred thirty-four thousand, four hundred sixteen".