2545423320 has 64 divisors (see below), whose sum is σ = 8330480640. Its totient is φ = 617072000.

The previous prime is 2545423319. The next prime is 2545423339. The reversal of 2545423320 is 233245452.

2545423320 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 962856 + ... + 965495.

It is an arithmetic number, because the mean of its divisors is an integer number (130163760).

Almost surely, 2^2545423320 is an apocalyptic number.

2545423320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545423320 is an abundant number, since it is smaller than the sum of its proper divisors (5785057320).

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

2545423320 is a wasteful number, since it uses less digits than its factorization.

2545423320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928376 (or 1928372 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 2545423320 is about 50452.1884560026. The cubic root of 2545423320 is about 1365.3793790441.

Adding to 2545423320 its reverse (233245452), we get a palindrome (2778668772).

The spelling of 2545423320 in words is "two billion, five hundred forty-five million, four hundred twenty-three thousand, three hundred twenty".