2545336040 has 48 divisors (see below), whose sum is σ = 6201449100. Its totient is φ = 939813888.

The previous prime is 2545336039. The next prime is 2545336069. The reversal of 2545336040 is 406335452.

It can be written as a sum of positive squares in 6 ways, for example, as 1747684 + 2543588356 = 1322^2 + 50434^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2545335988 and 2545336006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181505 + ... + 195024.

Almost surely, 2^2545336040 is an apocalyptic number.

2545336040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545336040 is an abundant number, since it is smaller than the sum of its proper divisors (3656113060).

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

2545336040 is a wasteful number, since it uses less digits than its factorization.

2545336040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376566 (or 376549 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 2545336040 is about 50451.3234712431. The cubic root of 2545336040 is about 1365.3637730382.

The spelling of 2545336040 in words is "two billion, five hundred forty-five million, three hundred thirty-six thousand, forty".