2555432420 has 24 divisors (see below), whose sum is σ = 5497297848. Its totient is φ = 997241600.

The previous prime is 2555432419. The next prime is 2555432437. The reversal of 2555432420 is 242345552.

It can be written as a sum of positive squares in 4 ways, for example, as 411927616 + 2143504804 = 20296^2 + 46298^2 .

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, 1557371 + ... + 1559010.

It is an arithmetic number, because the mean of its divisors is an integer number (229054077).

Almost surely, 2^2555432420 is an apocalyptic number.

2555432420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555432420 is an abundant number, since it is smaller than the sum of its proper divisors (2941865428).

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

2555432420 is a wasteful number, since it uses less digits than its factorization.

2555432420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116431 (or 3116429 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 2555432420 is about 50551.2850479590. The cubic root of 2555432420 is about 1367.1666842467.

Adding to 2555432420 its reverse (242345552), we get a palindrome (2797777972).

The spelling of 2555432420 in words is "two billion, five hundred fifty-five million, four hundred thirty-two thousand, four hundred twenty".