905238042828 has 72 divisors (see below), whose sum is σ = 2536335212544. Its totient is φ = 250296228000.

The previous prime is 905238042809. The next prime is 905238042847. The reversal of 905238042828 is 828240832509.

It is an interprime number because it is at equal distance from previous prime (905238042809) and next prime (905238042847).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24812748 + ... + 24849203.

It is an arithmetic number, because the mean of its divisors is an integer number (35226877952).

Almost surely, 2^905238042828 is an apocalyptic number.

905238042828 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

905238042828 is an abundant number, since it is smaller than the sum of its proper divisors (1631097169716).

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

905238042828 is a wasteful number, since it uses less digits than its factorization.

905238042828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49662003 (or 49661994 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 905238042828 in words is "nine hundred five billion, two hundred thirty-eight million, forty-two thousand, eight hundred twenty-eight".