9026381840 has 40 divisors (see below), whose sum is σ = 23984387520. Its totient is φ = 3094759296.

The previous prime is 9026381831. The next prime is 9026381843. The reversal of 9026381840 is 481836209.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (9026381843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8058710 + ... + 8059829.

It is an arithmetic number, because the mean of its divisors is an integer number (599609688).

Almost surely, 2^9026381840 is an apocalyptic number.

It is an amenable number.

9026381840 is an abundant number, since it is smaller than the sum of its proper divisors (14958005680).

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

9026381840 is a wasteful number, since it uses less digits than its factorization.

9026381840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16118559 (or 16118553 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 9026381840 is about 95007.2725637359. The cubic root of 9026381840 is about 2082.1143010409.

The spelling of 9026381840 in words is "nine billion, twenty-six million, three hundred eighty-one thousand, eight hundred forty".