2555434520 has 32 divisors (see below), whose sum is σ = 5757901200. Its totient is φ = 1020720768.

The previous prime is 2555434517. The next prime is 2555434529. The reversal of 2555434520 is 254345552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555434529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16694 + ... + 73413.

Almost surely, 2^2555434520 is an apocalyptic number.

2555434520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555434520 is an abundant number, since it is smaller than the sum of its proper divisors (3202466680).

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

2555434520 is a wasteful number, since it uses less digits than its factorization.

2555434520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90827 (or 90823 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The square root of 2555434520 is about 50551.3058189400. The cubic root of 2555434520 is about 1367.1670587494.

The spelling of 2555434520 in words is "two billion, five hundred fifty-five million, four hundred thirty-four thousand, five hundred twenty".