4051021236 has 48 divisors (see below), whose sum is σ = 10192580160. Its totient is φ = 1248065280.

The previous prime is 4051021213. The next prime is 4051021279. The reversal of 4051021236 is 6321201504.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 207331 + ... + 226026.

It is an arithmetic number, because the mean of its divisors is an integer number (212345420).

Almost surely, 2^4051021236 is an apocalyptic number.

It is an amenable number.

4051021236 is an abundant number, since it is smaller than the sum of its proper divisors (6141558924).

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

4051021236 is a wasteful number, since it uses less digits than its factorization.

4051021236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433424 (or 433422 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4051021236 is about 63647.6333888386. The cubic root of 4051021236 is about 1594.1218209324.

The spelling of 4051021236 in words is "four billion, fifty-one million, twenty-one thousand, two hundred thirty-six".