2151449357200 has 360 divisors, whose sum is σ = 6384572236224. Its totient is φ = 690761702400.

The previous prime is 2151449357171. The next prime is 2151449357221. The reversal of 2151449357200 is 27539441512.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14397267 + ... + 14545933.

Almost surely, 2^{2151449357200} is an apocalyptic number.

2151449357200 is a gapful number since it is divisible by the number (20) 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 2151449357200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3192286118112).

2151449357200 is an abundant number, since it is smaller than the sum of its proper divisors (4233122879024).

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

2151449357200 is a wasteful number, since it uses less digits than its factorization.

2151449357200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148743 (or 148721 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 2151449357200 in words is "two trillion, one hundred fifty-one billion, four hundred forty-nine million, three hundred fifty-seven thousand, two hundred".