2009451150 has 144 divisors (see below), whose sum is σ = 6219792384. Its totient is φ = 455595840.

The previous prime is 2009451149. The next prime is 2009451173. The reversal of 2009451150 is 511549002.

2009451150 is a `hidden beast` number, since 200 + 9 + 451 + 1 + 5 + 0 = 666.

It is a congruent number.

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, 397539 + ... + 402561.

Almost surely, 2^2009451150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2009451150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3109896192).

2009451150 is an abundant number, since it is smaller than the sum of its proper divisors (4210341234).

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

2009451150 is a wasteful number, since it uses less digits than its factorization.

2009451150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175 (or 5167 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 2009451150 is about 44826.9020789972. The cubic root of 2009451150 is about 1261.9025490623.

The spelling of 2009451150 in words is "two billion, nine million, four hundred fifty-one thousand, one hundred fifty".