905145474828 has 48 divisors (see below), whose sum is σ = 2414166427904. Its totient is φ = 258565296960.

The previous prime is 905145474811. The next prime is 905145474829. The reversal of 905145474828 is 828474541509.

It is not an unprimeable number, because it can be changed into a prime (905145474829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534238 + ... + 1447653.

Almost surely, 2^905145474828 is an apocalyptic number.

It is an amenable number.

905145474828 is an abundant number, since it is smaller than the sum of its proper divisors (1509020953076).

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

905145474828 is a wasteful number, since it uses less digits than its factorization.

905145474828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987342 (or 1987340 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 57.

The spelling of 905145474828 in words is "nine hundred five billion, one hundred forty-five million, four hundred seventy-four thousand, eight hundred twenty-eight".