1449361800 has 144 divisors (see below), whose sum is σ = 5123742000. Its totient is φ = 366145920.

The previous prime is 1449361799. The next prime is 1449361801. The reversal of 1449361800 is 81639441.

1449361800 is a `hidden beast` number, since 1 + 449 + 36 + 180 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1449361799) and next prime (1449361801).

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 (1449361801) 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, 13011 + ... + 55389.

Almost surely, 2^1449361800 is an apocalyptic number.

1449361800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1449361800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2561871000).

1449361800 is an abundant number, since it is smaller than the sum of its proper divisors (3674380200).

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

1449361800 is a wasteful number, since it uses less digits than its factorization.

1449361800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42420 (or 42408 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1449361800 is about 38070.4846304851. The cubic root of 1449361800 is about 1131.6851147131.

The spelling of 1449361800 in words is "one billion, four hundred forty-nine million, three hundred sixty-one thousand, eight hundred".