2001546738 has 24 divisors (see below), whose sum is σ = 4338176700. Its totient is φ = 666952704.

The previous prime is 2001546727. The next prime is 2001546803. The reversal of 2001546738 is 8376451002.

It can be written as a sum of positive squares in 2 ways, for example, as 1759215249 + 242331489 = 41943^2 + 15567^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39498 + ... + 74586.

Almost surely, 2^2001546738 is an apocalyptic number.

2001546738 is an abundant number, since it is smaller than the sum of its proper divisors (2336629962).

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

2001546738 is a wasteful number, since it uses less digits than its factorization.

2001546738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38266 (or 38263 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2001546738 is about 44738.6492643665. The cubic root of 2001546738 is about 1260.2457608296.

The spelling of 2001546738 in words is "two billion, one million, five hundred forty-six thousand, seven hundred thirty-eight".