9027212840 has 64 divisors (see below), whose sum is σ = 21827102400. Its totient is φ = 3347739648.

The previous prime is 9027212837. The next prime is 9027212849. The reversal of 9027212840 is 482127209.

It is a self number, because there is not a number n which added to its sum of digits gives 9027212840.

It is not an unprimeable number, because it can be changed into a prime (9027212849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53510 + ... + 144629.

It is an arithmetic number, because the mean of its divisors is an integer number (341048475).

Almost surely, 2^9027212840 is an apocalyptic number.

It is an amenable number.

9027212840 is an abundant number, since it is smaller than the sum of its proper divisors (12799889560).

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

9027212840 is a wasteful number, since it uses less digits than its factorization.

9027212840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198234 (or 198230 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 9027212840 is about 95011.6458125003. The cubic root of 9027212840 is about 2082.1781946335.

The spelling of 9027212840 in words is "nine billion, twenty-seven million, two hundred twelve thousand, eight hundred forty".