904024140 has 24 divisors (see below), whose sum is σ = 2531267760. Its totient is φ = 241073088.

The previous prime is 904024111. The next prime is 904024141. The reversal of 904024140 is 41420409.

It is a self number, because there is not a number n which added to its sum of digits gives 904024140.

It is not an unprimeable number, because it can be changed into a prime (904024141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7533475 + ... + 7533594.

It is an arithmetic number, because the mean of its divisors is an integer number (105469490).

Almost surely, 2^904024140 is an apocalyptic number.

It is an amenable number.

904024140 is an abundant number, since it is smaller than the sum of its proper divisors (1627243620).

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

904024140 is a wasteful number, since it uses less digits than its factorization.

904024140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15067081 (or 15067079 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 904024140 is about 30066.9941962944. The cubic root of 904024140 is about 966.9262320535.

Adding to 904024140 its reverse (41420409), we get a palindrome (945444549).

The spelling of 904024140 in words is "nine hundred four million, twenty-four thousand, one hundred forty".