2545323636400 has 60 divisors (see below), whose sum is σ = 6115603489272. Its totient is φ = 1018052293120.

The previous prime is 2545323636371. The next prime is 2545323636437. The reversal of 2545323636400 is 46363235452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5196459 + ... + 5665141.

Almost surely, 2^{2545323636400} is an apocalyptic number.

2545323636400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545323636400 is an abundant number, since it is smaller than the sum of its proper divisors (3570279852872).

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

2545323636400 is a wasteful number, since it uses less digits than its factorization.

2545323636400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482278 (or 482267 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 43.

The spelling of 2545323636400 in words is "two trillion, five hundred forty-five billion, three hundred twenty-three million, six hundred thirty-six thousand, four hundred".