2546622620 has 24 divisors (see below), whose sum is σ = 5461694784. Its totient is φ = 996975296.

The previous prime is 2546622613. The next prime is 2546622647. The reversal of 2546622620 is 262266452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353647 + ... + 1355526.

It is an arithmetic number, because the mean of its divisors is an integer number (227570616).

Almost surely, 2^2546622620 is an apocalyptic number.

2546622620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2546622620 is an abundant number, since it is smaller than the sum of its proper divisors (2915072164).

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

2546622620 is a wasteful number, since it uses less digits than its factorization.

2546622620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709229 (or 2709227 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 2546622620 is about 50464.0725665299. The cubic root of 2546622620 is about 1365.5937824624.

The spelling of 2546622620 in words is "two billion, five hundred forty-six million, six hundred twenty-two thousand, six hundred twenty".