920928528440 has 32 divisors (see below), whose sum is σ = 2072123473680. Its totient is φ = 368365316352.

The previous prime is 920928528413. The next prime is 920928528493. The reversal of 920928528440 is 44825829029.

920928528440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2860679 + ... + 3166281.

Almost surely, 2^920928528440 is an apocalyptic number.

It is an amenable number.

920928528440 is an abundant number, since it is smaller than the sum of its proper divisors (1151194945240).

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

920928528440 is a wasteful number, since it uses less digits than its factorization.

920928528440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380951 (or 380947 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 920928528440 in words is "nine hundred twenty billion, nine hundred twenty-eight million, five hundred twenty-eight thousand, four hundred forty".