2545375020 has 24 divisors (see below), whose sum is σ = 7127050224. Its totient is φ = 678766656.

The previous prime is 2545375009. The next prime is 2545375043. The reversal of 2545375020 is 205735452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21211399 + ... + 21211518.

It is an arithmetic number, because the mean of its divisors is an integer number (296960426).

Almost surely, 2^2545375020 is an apocalyptic number.

2545375020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545375020 is an abundant number, since it is smaller than the sum of its proper divisors (4581675204).

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

2545375020 is a wasteful number, since it uses less digits than its factorization.

2545375020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42422929 (or 42422927 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 2545375020 is about 50451.7097827219. The cubic root of 2545375020 is about 1365.3707428590.

The spelling of 2545375020 in words is "two billion, five hundred forty-five million, three hundred seventy-five thousand, twenty".