1368541800 has 72 divisors (see below), whose sum is σ = 4596025590. Its totient is φ = 364944000.

The previous prime is 1368541789. The next prime is 1368541807. The reversal of 1368541800 is 81458631.

1368541800 is a `hidden beast` number, since 1 + 36 + 8 + 541 + 80 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1197298404 + 171243396 = 34602^2 + 13086^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1368541807) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 378351 + ... + 381950.

Almost surely, 2^1368541800 is an apocalyptic number.

1368541800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1368541800 is an abundant number, since it is smaller than the sum of its proper divisors (3227483790).

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

1368541800 is a wasteful number, since it uses less digits than its factorization.

1368541800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760323 (or 760311 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1368541800 is about 36993.8075899197. The cubic root of 1368541800 is about 1110.2463538908.

The spelling of 1368541800 in words is "one billion, three hundred sixty-eight million, five hundred forty-one thousand, eight hundred".