245243566800 has 180 divisors, whose sum is σ = 878517354624. Its totient is φ = 63288633600.

The previous prime is 245243566787. The next prime is 245243566807. The reversal of 245243566800 is 8665342542.

245243566800 is a `hidden beast` number, since 2 + 4 + 5 + 2 + 4 + 3 + 566 + 80 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245243566807) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 987162 + ... + 1210361.

Almost surely, 2^245243566800 is an apocalyptic number.

245243566800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245243566800 is an abundant number, since it is smaller than the sum of its proper divisors (633273787824).

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

245243566800 is a wasteful number, since it uses less digits than its factorization.

245243566800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197578 (or 2197564 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 245243566800 in words is "two hundred forty-five billion, two hundred forty-three million, five hundred sixty-six thousand, eight hundred".