2554646620 has 12 divisors (see below), whose sum is σ = 5364757944. Its totient is φ = 1021858640.

The previous prime is 2554646617. The next prime is 2554646657. The reversal of 2554646620 is 266464552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63866146 + ... + 63866185.

It is an arithmetic number, because the mean of its divisors is an integer number (447063162).

Almost surely, 2^2554646620 is an apocalyptic number.

2554646620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2554646620 is an abundant number, since it is smaller than the sum of its proper divisors (2810111324).

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

2554646620 is a wasteful number, since it uses less digits than its factorization.

2554646620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127732340 (or 127732338 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The square root of 2554646620 is about 50543.5121454772. The cubic root of 2554646620 is about 1367.0265344871.

The spelling of 2554646620 in words is "two billion, five hundred fifty-four million, six hundred forty-six thousand, six hundred twenty".