1451205200 has 60 divisors (see below), whose sum is σ = 3528607488. Its totient is φ = 573475200.

The previous prime is 1451205191. The next prime is 1451205257. The reversal of 1451205200 is 25021541.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 11345 + ... + 55055.

Almost surely, 2^1451205200 is an apocalyptic number.

1451205200 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 1451205200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1764303744).

1451205200 is an abundant number, since it is smaller than the sum of its proper divisors (2077402288).

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

1451205200 is a wasteful number, since it uses less digits than its factorization.

1451205200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43812 (or 43801 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1451205200 is about 38094.6872936372. The cubic root of 1451205200 is about 1132.1646969514.

Adding to 1451205200 its reverse (25021541), we get a palindrome (1476226741).

The spelling of 1451205200 in words is "one billion, four hundred fifty-one million, two hundred five thousand, two hundred".